·noun A strange thing or person.
II. Unco ·adv In a high degree; to a great extent; greatly; very.
III. Unco ·adj Unknown; strange, or foreign; unusual, or surprising; distant in manner; reserved.
unco, āre, v. n., to sound or roar like a bear , Carm. Philom. 50. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.