The Collaborative International Dictionary of English v.0.48:

Turk \Turk\ (t[^u]rk), n. [Per. Turk; probably of Tartar origin:
   cf. F. Turc.]
   1. A member of any of numerous Tartar tribes of Central Asia,
      etc.; esp., one of the dominant race in Turkey.
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   2. A native or inhabitant of Turkey.
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   3. A Muslim; esp., one living in Turkey. [Archaic]
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            It is no good reason for a man's religion that he
            was born and brought up in it; for then a Turk would
            have as much reason to be a Turk as a Christian to
            be a Christian.                       --Chillingworth.
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   4. (Zool.) The plum weevil. See Curculio, and Plum
      weevil, under Plum.
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   Turk's cap. (Bot.)
      (a) Turk's-cap lily. See under Lily.
      (b) A tulip.
      (c) A plant of the genus Melocactus; Turk's head. See
          Melon cactus, under Melon.

   Turk's head.
      (a) (Naut.) A knot of turbanlike form worked on a rope
          with a piece of small line. --R. H. Dana, Jr.
      (b) (Bot.) See Turk's cap
      (c) above.

   Turk's turban (Bot.), a plant of the genus Ranunculus;
      crowfoot.
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