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