corrugate verb. ['kɒrʊgeɪt] Pa. pple -ated, (now chiefly Botany & Zoology) -ate [-ǝt]. LME.
[Latin corrugat- pa. ppl stem of corrugare, formed as COR- + rugare, from ruga wrinkle: see -ATE³.]
1. verb trans. Wrinkle (skin); mark with or bend into (usu. parallel) ridges and furrows. LME.
corrugated iron iron or steel sheeting bent into a uniform series of parallel ridges and hollows to give added rigidity and strength. corrugated paper: with parallel flutings (for added rigidity and strength) and a flat backing sheet attached on one or both sides.
■ J. Buchan Trees..whose roots corrugated the path.
■ S. Hill A corrugated tin roof.

2. verb intrans. Become corrugated. M18.

[TahlilGaran] English Dictionary ▲