Twill is a type of
fabric woven with a pattern of diagonal parallel ribs.It is made by passing the
weft threads over one
warp thread and then under two or more warp threads, over one and under two or more, and so on, with a "step" or offset between rows that creates the characteristic diagonal pattern. Examples of twill fabric are
chino,
denim,
gabardine,
tweed and
serge.
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