3. Capable of penetrating or pervading. [Obs.] Prior.

4. (Zoöl.)

Defn: Open; — used synonymously with perforate, as applied to the nostrils or birds.

PERVIOUSNESS
Per"vi*ous*ness, n.

Defn: The quality or state of being pervious; as, the perviousness of glass. Boyle.

PERVIS
Per"vis, n.

Defn: See Parvis.

PERY
Per"y, n.

Defn: A pear tree. See Pirie. [Obs.]

PES
Pes, n.; pl. Pedes . Etym: [L., the foot.] (Anat.)