I / irrūgo
verb transitive

irrūgo

2nd PP irrūgāre · conj. 1st
(), , in-rugo
to wrinkle; make wrinkled
to wrinkle, make wrinkled.
Lit.: aequor ventris, Gell. 12, 1, 8.—
to fold by extension
Transf., to fold: sinum, Stat. Th. 4, 266.