'Tweed' definitions:

Definition of 'tweed'

noun

Thick woolen fabric used for clothing; originated in Scotland

noun

(usually in the plural) trousers made of flannel or gabardine or tweed or white cloth [syn: flannel, gabardine, tweed, white]

From: GCIDE

Tweed \Tweed\, n. [Probably a corruption of twills. See Twill.] A soft and flexible fabric for men's wear, made wholly of wool except in some inferior kinds, the wool being dyed, usually in two colors, before weaving. [1913 Webster]