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; see dwo- in the Appendix of Indo-European roots.]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.