Source : Webster's Revised Unabridged Dictionary (1913)

Acrodont \Ac"ro*dont\, n. [Gr. 'a`kros summit + 'odoy`s,
   'odo`ntos, a tooth.] (Zo["o]l.)
   One of a group of lizards having the teeth immovably united
   to the top of the alveolar ridge. -- a. Of or pertaining to
   the acrodonts.

Source : WordNet®

acrodont
     n : an animal having teeth consolidated with the summit of the
         alveolar ridge without sockets