tritubercular

Century Dictionary and Cyclopedia

1. Having three tubercles or cusps, as a molar or premolar tooth; tricuspid; characterized by such teeth as a type of dentition; trituberculate; of or pertaining to trituberculism.

GNU Webster's 1913

1. adj. Having or designating teeth with three cusps or tubercles; tricuspid.
2. adj. Pertaining to trituberculy.