Ruga | Webster's Dictionary of the English Language

ruga
rūga, ae, f., I a crease in the face , a wrinkle. A In gen. (class.; usu. in plur.). α Plur. :...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Ruga
Rūga, ae, m. [1. ruga], a Roman surname , e. g. of Sp. Carvilius, whose divorce is said to have been...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
ruga
rūga ae, f GAR-, a crease in the face, wrinkle : in antiquā fronte, O.: densissima, i. e. a thron...

An Elementary Latin Dictionary