Definitions
1.AdjectiveHaving rugae or wrinkles, creases, ridges, or corrugation.
2.AdjectiveRugged, rough, unrefined.
3.AdjectiveHaving a rough, wrinkled, or wavy surface; commonly in parasynthetic usage e.g. "rugose-veined" or "rugose-leaved".
4.AdjectiveDescribing fossil corals of the extinct order †Rugosa (also called Tetracoralla), that have horn-shaped corals with surfaces covered with ridges.
5.AdjectiveUsed when combined with another adjective, for example, rugose-reticulate or rugose-punctate.