subsidiary

subsidiary
    adj 1: functioning in a supporting capacity; "the main library
           and its auxiliary branches" [syn: {auxiliary},
           {subsidiary}, {supplemental}, {supplementary}]
    n 1: an assistant subject to the authority or control of another
         [syn: {subordinate}, {subsidiary}, {underling}, {foot
         soldier}]
    2: a company that is completely controlled by another company
       [syn: {subsidiary company}, {subsidiary}]
    

Subsidiary \Sub*sid"i*a*ry\, n.; pl. {Subsidiaries}.
   One who, or that which, contributes aid or additional
   supplies; an assistant; an auxiliary. --Hammond.
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Subsidiary \Sub*sid"i*a*ry\, a. [L. subsidiarius: cf. F.
   subsidiaire. See {Subsidy}.]
   1. Furnishing aid; assisting; auxiliary; helping; tributary;
      especially, aiding in an inferior position or capacity;
      as, a subsidiary stream.
      [1913 Webster]

            Chief ruler and principal head everywhere, not
            suffragant and subsidiary.            --Florio.
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            They constituted a useful subsidiary testimony of
            another state of existence.           --Coleridge.
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   2. Of or pertaining to a subsidy; constituting a subsidy;
      being a part of, or of the nature of, a subsidy; as,
      subsidiary payments to an ally.
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            George the Second relied on his subsidiary treaties.
                                                  --Ld. Mahon.
      [1913 Webster]
    

63 Moby Thesaurus words for "subsidiary":
      accessory, accident, accidental, addendum, addition, additional,
      adjunct, adjuvant, adscititious, adventitious, ancillary,
      appendage, appurtenance, appurtenant, ascititious, assistant,
      assisting, auxiliary, casual, circumstantial, collateral,
      contingency, contingent, contributory, dotal, dower, dowered,
      dowry, endowed, extra, fortuitous, fostering, happenstance,
      helping, incidental, inessential, instrumental, invested,
      mere chance, ministerial, ministering, ministrant, minor,
      nonessential, not-self, nurtural, nutricial, other, pensionary,
      secondary, serving, stipendiary, subordinate to, subservient,
      superadded, superaddition, superfluous, supervenient, supplement,
      supplemental, supplementary, tributary, unessential