Found 2 items, similar to ruga.
English → English (WordNet) Definition: ruga ruga n : (anatomy) a fold or wrinkle or crease; “rugae of the stomach” [also: rugae (pl)]
English → English (gcide) Definition: Ruga Ruga \Ru"ga\, n.; pl. Rug[ae]. [L.] (Nat. Hist.) A wrinkle; a fold; as, the rug[ae] of the stomach. [1913 Webster]