from
The Collaborative International Dictionary of English v.0.48
Traverse \Trav"erse\, a. [OF. travers, L. transversus, p. p. of
transvertere to turn or direct across. See {Transverse}, and
cf. {Travers}.]
Lying across; being in a direction across something else; as,
paths cut with traverse trenches.
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Oak . . . being strong in all positions, may be better
trusted in cross and traverse work. --Sir H.
Wotton.
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The ridges of the fallow field traverse. --Hayward.
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{Traverse drill} (Mach.), a machine tool for drilling slots,
in which the work or tool has a lateral motion back and
forth; also, a drilling machine in which the spindle
holder can be adjusted laterally.
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from
The Collaborative International Dictionary of English v.0.48
Drill \Drill\, n.
1. An instrument with an edged or pointed end used for making
holes in hard substances; strictly, a tool that cuts with
its end, by revolving, as in drilling metals, or by a
succession of blows, as in drilling stone; also, a drill
press.
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2. (Mil.) The act or exercise of training soldiers in the
military art, as in the manual of arms, in the execution
of evolutions, and the like; hence, diligent and strict
instruction and exercise in the rudiments and methods of
any business; a kind or method of military exercises; as,
infantry drill; battalion drill; artillery drill.
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3. Any exercise, physical or mental, enforced with regularity
and by constant repetition; as, a severe drill in Latin
grammar.
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4. (Zool.) A marine gastropod, of several species, which
kills oysters and other bivalves by drilling holes through
the shell. The most destructive kind is {Urosalpinx
cinerea}.
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{Bow drill}, {Breast drill}. See under {Bow}, {Breast}.
{Cotter drill}, or {Traverse drill}, a machine tool for
drilling slots.
{Diamond drill}. See under {Diamond}.
{Drill jig}. See under {Jig}.
{Drill pin}, the pin in a lock which enters the hollow stem
of the key.
{Drill sergeant} (Mil.), a noncommissioned officer whose
office it is to instruct soldiers as to their duties, and
to train them to military exercises and evolutions.
{Vertical drill}, a drill press.
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