cor·ru·gate (kôr  -g t , k r-)v. cor·ru·gat·ed, cor·ru·gat·ing, cor·ru·gates v.tr. To shape into folds or parallel and alternating ridges and grooves. v.intr. To become shaped into such folds or ridges and grooves: "Now the immense ocean . . . sensed the change. Its surface rippled and corrugated where sweeping cloud shadows touched it" (John Updike). [Latin corr  gre, corrgt-, to wrinkle up : com-, com- + rgre, to wrinkle (from rga, wrinkle).]cor ru·gate, corru·gated (-gt d) adj. |
corrugate
vb [ˈkɒrʊˌgeɪt]
(usually tr) to fold or be folded into alternate furrows and ridges
adj [ˈkɒrʊgɪt -ˌgeɪt]
folded into furrows and ridges; wrinkled
[from Latin corrūgāre, from rūga a wrinkle]
corrugation n
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