rufulous (rofulus)

[L. rufulus, rather red, dim. of rufus, red: see rufous.] In zoöl. and bot., somewhat rufous. Ir. Gael. rug, a wrinkle: see rugose. Cf. ruelle.] In zoöl., an at., and bot., a fold, ridge, or wrinkle; a crease or plait; a corrugation: variously applied, as to folds of mucous membrane or skin, the cro -bars of the hard palate, the wrinkles on a shell or a bird's bill or an insect's wing-covers, etc.: usually in the plural. - Ruge of the stomach. See - Rugæ of the vagina, numerous small transverse folds of the vaginal mucous membrane, extending outwardly from the columns. rugate (rö'gat), a. [= Sp. ruga do,