twill

Từ điển Oxford Advanced Learner 8th

twill [twill twills twilled twilling] BrE [twɪl] NAmE [twɪl] noun uncountable
a type of strong cloth that is made in a particular way to produce a surface of raised ↑diagonal lines
•a cotton twill skirt

Word Origin:
Middle English: from a Scots and northern English variant of obsolete twilly, from Old English twi- ‘two’, suggested by Latin bilix ‘two-threaded’.