corrugate Definition

corrugate
verb

corrugated, corrugating
1. To fold into parallel ridges, so as to make stronger.

Derivative: corrugated
adj

Having parallel ridges
Thesaurus: grooved, creased, channelled, ribbed, folded, ridged, fluted, wrinkled, furrowed, scored, crenelated; Antonym: flat, even.

Derivative: corrugation

An act of wrinkling.

A wrinkle.

Etymology: 17c: from Latin corrugare, corrugatum to wrinkle.