collateral issue

from The Collaborative International Dictionary of English v.0.48
Issue \Is"sue\ ([i^]sh"[-u]), n. [OF. issue, eissue, F. issue,
   fr. OF. issir, eissir, to go out, L. exire; ex out of, from +
   ire to go, akin to Gr. 'ie`nai, Skr. i, Goth. iddja went,
   used as prefect of gaggan to go. Cf. {Ambition}, {Count} a
   nobleman, {Commence}, {Errant}, {Exit}, {Eyre}, {Initial},
   {Yede} went.]
   [1913 Webster]
   1. The act of passing or flowing out; a moving out from any
      inclosed place; egress; as, the issue of water from a
      pipe, of blood from a wound, of air from a bellows, of
      people from a house.
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   2. The act of sending out, or causing to go forth; delivery;
      issuance; as, the issue of an order from a commanding
      officer; the issue of money from a treasury.
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   3. That which passes, flows, or is sent out; the whole
      quantity sent forth or emitted at one time; as, an issue
      of bank notes; the daily issue of a newspaper.
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   4. Progeny; a child or children; offspring. In law,
      sometimes, in a general sense, all persons descended from
      a common ancestor; all lineal descendants.
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            If the king
            Should without issue die.             --Shak.
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   5. Produce of the earth, or profits of land, tenements, or
      other property; as, A conveyed to B all his right for a
      term of years, with all the issues, rents, and profits.
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   6. A discharge of flux, as of blood. --Matt. ix. 20.
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   7. (Med.) An artificial ulcer, usually made in the fleshy
      part of the arm or leg, to produce the secretion and
      discharge of pus for the relief of some affected part.
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   8. The final outcome or result; upshot; conclusion; event;
      hence, contest; test; trial.
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            Come forth to view
            The issue of the exploit.             --Shak.
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            While it is hot, I 'll put it to the issue. --Shak.
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   9. A point in debate or controversy on which the parties take
      affirmative and negative positions; a presentation of
      alternatives between which to choose or decide; a point of
      contention; a matter in controversy.
      [1913 Webster +PJC]

   10. (Law) In pleading, a single material point of law or fact
       depending in the suit, which, being affirmed on the one
       side and denied on the other, is presented for
       determination. See {General issue}, under {General}, and
       {Feigned issue}, under {Feigned}. --Blount. Cowell.
       [1913 Webster]

   {At issue}, in controversy; disputed; opposing or contesting;
      hence, at variance; disagreeing; inconsistent.
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            As much at issue with the summer day
            As if you brought a candle out of doors. --Mrs.
                                                  Browning.
      

   {Bank of issue}, {Collateral issue}, etc. See under {Bank},
      {Collateral}, etc.

   {Issue pea}, a pea, or a similar round body, used to maintain
      irritation in a wound, and promote the secretion and
      discharge of pus.

   {To join issue}, or {To take issue}, to take opposing sides
      in a matter in controversy.
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from The Collaborative International Dictionary of English v.0.48
Collateral \Col*lat"er*al\ (k[o^]l*l[a^]t"[~e]r*al), a. [LL.
   collateralis; col- + lateralis lateral. See {Lateral}.]
   1. Coming from, being on, or directed toward, the side; as,
      collateral pressure. "Collateral light." --Shak.
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   2. Acting in an indirect way.
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            If by direct or by collateral hand
            They find us touched, we will our kingdom give . . .
            To you in satisfaction.               --Shak.
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   3. Related to, but not strictly a part of, the main thing or
      matter under consideration; hence, subordinate; not chief
      or principal; as, collateral interest; collateral issues.
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            That he [Attebury] was altogether in the wrong on
            the main question, and on all the collateral
            questions springing out of it, . . . is true.
                                                  --Macaulay.
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   4. Tending toward the same conclusion or result as something
      else; additional; as, collateral evidence.
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            Yet the attempt may give
            Collateral interest to this homely tale.
                                                  --Wordsworth.
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   5. (Genealogy) Descending from the same stock or ancestor,
      but not in the same line or branch or one from the other;
      -- opposed to {lineal}.
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   Note: Lineal descendants proceed one from another in a direct
         line; collateral relations spring from a common
         ancestor, but from different branches of that common
         stirps or stock. Thus the children of brothers are
         collateral relations, having different fathers, but a
         common grandfather. --Blackstone.
         [1913 Webster]

   {Collateral assurance}, that which is made, over and above
      the deed itself.

   {Collateral circulation} (Med. & Physiol.), circulation
      established through indirect or subordinate branches when
      the supply through the main vessel is obstructed.

   {Collateral issue}. (Law)
      (a) An issue taken upon a matter aside from the merits of
          the case.
      (b) An issue raised by a criminal convict who pleads any
          matter allowed by law in bar of execution, as pardon,
          diversity of person, etc.
      (c) A point raised, on cross-examination, aside from the
          issue fixed by the pleadings, as to which the answer
          of the witness, when given, cannot subsequently be
          contradicted by the party asking the question.

   {Collateral security}, security for the performance of
      covenants, or the payment of money, besides the principal
      security.

   {collateral damage}, (Mil.) damage caused by a military
      operation, such as a bombing, to objects or persons not
      themselves the intended target of the attack.
      [1913 Webster +PJC]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
COLLATERAL ISSUE, practice, pleading. Where a criminal convict pleads any 
matter, allowed by law, in bar of execution; as pregnancy, a pardon, and the 
like. 
    

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