Denticle

from WordNet (r) 3.0 (2006)

denticle
    n 1: small pointed ridge on the exoskeleton of an arthropod

from The Collaborative International Dictionary of English v.0.48

Denticle \Den"ti*cle\, n. [L. denticulus a little tooth, dim. of
   dens, dentis, tooth. See {Dental}, and cf. {Dentelli}.]
   A small tooth or projecting point. Denticulate

from Moby Thesaurus II by Grady Ward, 1.0

34 Moby Thesaurus words for "denticle":
      baby tooth, bicuspid, bucktooth, canine, crown, cuspid, cutter,
      deciduous tooth, dent, denticulation, dentil, dentition, dogtooth,
      eyetooth, fang, fore tooth, gagtooth, gang tooth, gold tooth,
      grinder, incisor, milk tooth, molar, peg, permanent tooth,
      pivot tooth, premolar, scrivello, snag, snaggletooth, tooth, tush,
      tusk, wisdom tooth

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