spōnsum ī, n
P. n. of spondeo, a covenant, agreement, engagement : sponsum negare, to break a pledge , H.: ex sponso egit (i. e. ex sponsione), proceeded to enforce the covenant .
sponsum, i, v. spondeo, P. a., C. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.