Webster's Revised Unabridged Dictionary · 1913

Rep

Rep (rep) , noun

[Probably a corruption of rib: compare French reps.]

A fabric made of silk or wool, or of silk and wool, and having a transversely corded or ribbed surface.

Rep (rep) , adjective

Formed with a surface closely corded, or ribbed transversely; -- applied to textile fabrics of silk or wool; as, rep silk.