Twice, adv.
[O. Eng. twies, from two, with the termination of a genitive, A-S. twiwa, tweowa, twuga, tuwa, twa. Cf. THRICE.]
Sense 1. Two times; once and again.
He twice essayed to cast his son in gold. Dryden.
Sense 2. Doubly; in twofold quantity; as, twice the sum; he is twice as fortunate as his neighbor.
Twice is used in the formation of self-explaining compounds; as, twice-born, twice-conquered, twice-planted, twice-told, and the like.