utrō adv.
2 uter, to which of the two sides, in which direction : Nescit utro potius ruat, O.— Fig.: quae (natura), quoniam utro accessit, id fit propensius, etc.
ū̆trō, adv., v. 3. uter fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
·- - (/). A combining form used in anatomy to indicate connection with, or relation to, the uterus; ...
Webster's Dictionary of the English Language