Emily Dickinson Lexicon

PLAID, or PLAD, n. [qu. W. plaid, a partition; diversity of colors being often named from dividing.]

A striped or variegated cloth worn by the highlanders in Scotland. It is a narrow woolen stuff worn round the waist or on the shoulders, reaching to the knees, and in cold weather to the feet. It is worn by both sexes. – Pennant.