Ruga

[ru:gә]

(noun.) (anatomy) a fold or wrinkle or crease; 'rugae of the stomach'.

Checker: Walter--From WordNet

(n.) A wrinkle; a fold; as, the rugae of the stomach.

Editor: Meredith

n. a fold: a crease: a corrugation.—adj. Ru′gate.

Typist: Tabitha