rugate,a.Zool.|ˈruːgət| [ad.pa.pple. of L. rūgāre, f.rūga.] Having rugæ; wrinkled. 1846Dana Zooph. (1848) 196 Disk brown,..rugate.1852― Crust. i. 425 Either part is rugate or pseudo-squamate. Hence ˈrugatelyadv. 1846Dana Zooph. (1848) 200 Corallum..rugately striate and denticulate.