haplodont, a. and n.
(ˈhæpləʊdɒnt)
[f. haplo- + Gr. ὀδούς, ὀδοντ- tooth.]
A. adj.
1. Having the crowns of the molar teeth simple or single, and not divided into ridges, etc.
2. Belonging to the Haplodontidæ, a family of North American rodents, called sewellels.
B. n. One of the Haplodontidæ.