PLEIOPHYLLOUS
Plei*oph"yl*lous, a. Etym: [Gr. (Bot.)

Defn: Having several leaves; — used especially when several leaves or leaflets appear where normally there should be only one.

PLEIOSAURUS
Plei`o*sau"rus, n. Etym: [NL.] (Paleon.)

Defn: Same as Pliosaurus.

PLEISTOCENE
Pleis"to*cene, a. Etym: [Gr. (Geol.)

Defn: Of or pertaining to the epoch, or the deposits, following the Tertiary, and immediately preceding man. — n.

Defn: The Pleistocene epoch, or deposits.

PLENAL
Ple"nal, a. Etym: [L. plenus full. Cf. Plenary.]

Defn: Full; complete; as, a plenal view or act. [Obs.]

PLENARILY
Ple"na*ri*ly, adv.