Twill
Twill (twil) , transitive verb
[Scotch tweel; probably from LG. twillen to make double, from twi- two; akin to Anglo-Saxon twi-, English twi- in twilight. See Twice, and compare Tweed, Tweel.]
To weave, as cloth, so as to produce the appearance of diagonal lines or ribs on the surface.
Twill , noun
[Scotch tweel. See Twill, transitive verb]
1.
An appearance of diagonal lines or ribs produced in textile fabrics by causing the weft threads to pass over one and under two, or over one and under three or more, warp threads, instead of over one and under the next in regular succession, as in plain weaving.
2.
A fabric woven with a twill.
3.
A quill, or spool, for yarn.