WordWeight : Weighing the Words

Pronunciation : Twice
Part of Speech : adv.
Etymology : [OE. twies (where the s is the adverbial ending; see -wards), twie, AS. twiges, twiwa; akin to twi- (in comp.) two, G. zwie-, OHG. zwi-, Icel. tvi-, L. bi-, Gr. dvi-, and E. two. See Two.]
Definition : 1. Two times; once and again. He twice essayed to cast his son in gold. Dryden.

2. Doubly; in twofold quantity or degree; as, twice the sum; he is twice as fortunate as his neighbor.

Note: Twice is used in the formation of compounds, mostly self- explaining; as, twice-horn, twice-conquered, twice-planted, twice- told, and the like.
Source : Webster's Unabridged Dictionary, 1913