Plein, a. [OF. & F., fr. L. plenus.] Full; complete. [Obs.] "Plein
remission." Chaucer. -- Plein"ly, adv.
Plei"o*cene (?), a. (Geol.) See Pliocene.
Plei*oph"yl*lous (?), a. [Gr. &?; more + &?; leaf.] (Bot.) Having
several leaves; -- used especially when several leaves or leaflets
appear where normally there should be only one.
||Plei`o*sau"rus (?), n. [NL.] (Paleon.) Same as Pliosaurus.
Pleis"to*cene (?), a. [Gr. &?; most + &?; new.] (Geol.) Of or
pertaining to the epoch, or the deposits, following the Tertiary, and
immediately preceding man. -- n. The Pleistocene epoch, or deposits.
Ple"nal (?), a. [L. plenus full. Cf. Plenary.] Full; complete; as, a
plenal view or act. [Obs.]
Ple"na*ri*ly (?), adv. In a plenary manner.
Ple"na*ri*ness, n. Quality or state of being plenary.
Plen"ar*ty (?), n. The state of a benefice when occupied. Blackstone.
Ple"na*ry (?), a. [LL. plenarius, fr. L. plenus full. See Plenty.]
Full; entire; complete; absolute; as, a plenary license; plenary
authority.
A treatise on a subject should be plenary or full.