PACHYDERMAL
Pach`y*der"mal, a. (Zoöl.)

Defn: Of or relating to the pachyderms; as, pachydermal dentition.

PACHYDERMATA Pach`y*der"ma*ta, n. pl. [NL., fr. Gr. thick-skinned; pachy`s thick + skin.] (Zoöl.)

Defn: A group of hoofed mammals distinguished for the thickness of their skins, including the elephant, hippopotamus, rhinoceros, tapir, horse, and hog. It is now considered an artificial group.

PACHYDERMATOUS
Pach`y*der"ma*tous, a.

1. (Zoöl.) Of or pertaining to the pachyderms.

2. Thick-skinned; not sensitive to ridicule.

PACHYDERMOID
Pach`y*der"moid, a. [Pachyderm + -oid.] (Zoöl.)

Defn: Related to the pachyderms.

PACHYGLOSSAL
Pach`y*glos"sal, a. [Pachy- + Gr. tongue.] (Zoöl.)