Definition

To lament; to bewail; to complain. [Archaic & Poetic] Milton. We with piteous heart unto you pleyne. Chaucer.

Other Definitions

This word also has 3 other definitions:

PLAIN (adjective)

1. Without elevations or depressions; flat; level; smooth; even. See Plane. The crooked shall be made straight, and the rough places plain. Isa. xl. 4...

PLAIN (adverb)

In a plain manner; plainly. "To speak short and pleyn." Chaucer. "To tell you plain." Shak.

PLAIN (noun)

1. Level land; usually, an open field or a broad stretch of land with an even surface, or a surface little varied by inequalities; as, the plain of Jo...