Corrugate

Corrugate [ v.KAWR-uh'-geyt,KOR; adj.KAWR-uh'-git,-geyt,KOR- ]
	[ adjective, intransitive verb, transitive verb ]
	MEANING :
	1. (tr.v.) to wrinkle or bend or dram into folds 2. (intr.v.) to contract into grooves or ridges or to wrinkle 3. (adj.) furrowed or wrinkled
	USAGE EXAMPLE 1 :
	The metal sheets were corrugated according to specifications.