(twēd) noun
1. A soft woolen fabric with a homespun surface: often woven in two or more colors to effect a check or plaid pattern.
2. A tweed suit or coat.
—Harris tweed A homespun woolen cloth, usually of mixed colors, made at Harris in the Hebrides. [Alter. of dial. E (Scottish) tweel, var. of TWILL; prob. infl. in form by Tweed river, which flows through the district where it is woven]

(twēd)
A river in Peeblesshire, Scotland, forming part of the boundary of England and Scotland and flowing 97 miles NE to the North Sea.

(twēd), William Marcy,
1823–78, U.S. politician: called “Boss Tweed.”