Of, pertaining to, or designating, the fifth pair of
cranial nerves, which divide on each side of the head into three main
branches distributed to the orbits, jaws, and parts of the mouth;
trifacial.
(a) Any edentate animal if the family Dasypidæ, peculiar to America. The body and head are incased in an armor composed of small bony plates. The armadillos burrow in the earth, seldom ...