twill (twĭl)
n.

1. A fabric with diagonal parallel ribs.
2. The weave used to produce such a fabric.

tr.v., twilled, twill·ing, twills.
To weave (cloth) so as to produce a pattern of diagonal parallel ribs.

[Middle English twile, from Old English twilīc, woven of double thread.]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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