Rhachiodont \Rha"chi*o*dont\, a. [Gr. "ra`chis, -ios, the spine
+ ???, ???, a tooth.] (Zool.)
Having gular teeth formed by a peculiar modification of the
inferior spines of some of the vertebrae, as certain South
African snakes ({Dasypeltis}) which swallow birds' eggs and
use these gular teeth to crush them.
[1913 Webster]