The Collaborative International Dictionary of English v.0.48:

Bicuspid \Bi*cus"pid\, Bicuspidate \Bi*cus"pid*ate\, a. [See
   pref. Bi-, and Cuspidate.]
   Having two points or prominences; ending in two points; --
   said of teeth, leaves, fruit, etc.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bicuspid \Bi*cus"pid\, n. (Anat.)
   One of the two double-pointed teeth which intervene between
   the canines (cuspids) and the molars, on each side of each
   jaw. See Tooth, n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bicuspid
    adj 1: having two cusps or points (especially a molar tooth);
           "bicuspid teeth"; "bicuspid leaves" [syn: bicuspid,
           bicuspidate]
    n 1: a tooth having two cusps or points; located between the
         incisors and the molars [syn: premolar, bicuspid]

Moby Thesaurus II by Grady Ward, 1.0:

59 Moby Thesaurus words for "bicuspid":
   baby tooth, biaxial, bicameral, bifid, biform, binocular, binomial,
   binominal, bipartite, biped, bipetalous, bipinnate, bisexual,
   bivalent, bucktooth, canine, crown, cuspid, cutter,
   deciduous tooth, dent, dental, denticle, denticulation, dentiform,
   dentil, dentition, dentoid, dogtooth, eyetooth, fang, fanged,
   fore tooth, gagtooth, gang tooth, gold tooth, grinder, incisor,
   milk tooth, molar, odontoid, peg, permanent tooth, pivot tooth,
   premolar, scrivello, snag, snaggle-toothed, snaggled, snaggletooth,
   tooth, toothed, toothlike, toothy, tush, tusk, tusked, unibivalent,
   wisdom tooth