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 a fossil coral of the extinct order †Rugosa (also called Tetracoralla), this order has horn-shaped corals with surfaces covered with ridges.
5.adjectiveUsed when combined with another adjective, for example, rugose-reticulate or rugose-punctate.