n. & v.
--n. a fabric so woven as to have a surface of diagonal parallel ridges.
--v.tr. (esp. as twilled adj.) weave (fabric) in this way.
Derivatives:
twilled adj.
Etymology: N.Engl. var. of obs. twilly, OE twili, f. twi- double, after L bilix (as BI-, licium thread)