Plaid"ing (?), n. Plaid cloth.
Plain (?), v. i. [OE. playne, pleyne, fr. F. plaindre. See Plaint.] To
lament; to bewail; to complain. [Archaic & Poetic] Milton.
We with piteous heart unto you pleyne.
Chaucer.
Plain, v. t. To lament; to mourn over; as, to plain a loss. [Archaic &
Poetic] Sir J. Harrington.
Plain, a. [Compar. Plainer (?); superl. Plainest.] [F., level, flat,
fr. L. planus, perhaps akin to E. floor. Cf. Llano, Piano, Plan, Plane
level, a level surface.] 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.