Rugose
Pronunciation : Ru*gose"
Part of Speech : a.
Etymology : [L. rugosus, r. ruga a wrinkle.]
Definition : Defn: Wrinkled; full of wrinkles; specifically (Bot.), having the veinlets sunken and the spaces between them elevated, as the leaves of the sage and horehound.
Source : Webster's Unabridged Dictionary, 1913