I. ˈplad, -aa(ə)d noun
( -s )
Etymology: Scottish Gaelic plaide
1. : a rectangular length of tartan worn over the left shoulder by men and women as part of the Scottish national costume
a plaid … which served him as a garment by day and a blanket by night — Scots Magazine
2.
a. : a twilled woolen fabric with a tartan pattern used in making plaids
b. : a fabric with a woven or printed pattern of tartan or an imitation of tartan
3.
a. : tartan 1
b. : a woven or printed pattern of unevenly spaced stripes repeated in sequence and crossing each other at right angles
the plaids of these shirts never saw the Scottish shore
II. adjective
: having a multicolored cross-barred pattern
plaid vest
plaid blanket