/tweed/ , n.
1. a coarse wool cloth in a variety of weaves and colors, either hand-spun and handwoven in Scotland or reproduced, often by machine, elsewhere.
2. tweeds , garments made of this cloth.
3. a paper having a rough surface, used esp. for certain photographic prints.
[ 1835-45; appar. back formation from Scots tweedling twilling (now obs.) ]