tweed, rough, unfinished woolen fabric, of a soft, open, flexible texture resembling cheviot or homespun, but more closely woven. It is made in either plain or twill weave and may have a check, twill, or herringbone pattern. Subdued, interesting color effects (heather mixtures) are obtained by twisting together different-colored woolen strands into a two- or three-ply yarn. Tweeds are desirable for outer wear, being moisture resistant and very durable.
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