Corrugant
Pronunciation : Cor"ru*gant (kr"r-gant)
Part of Speech : a.
Etymology : [L. corrugans, p. pr. See Corrugate.]
Definition : Defn: Having the power of contracting into wrinkles. Johnson.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder