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The Collaborative International Dictionary of English v.0.48 (gcide)

Twice \Twice\ (tw[imac]s), adv. [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.
tv[imac]-, L. bi-, Gr. di-, Skr. dvi-, and E. two. See
{Two}.]
[1913 Webster]
1. Two times; once and again.
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He twice essayed to cast his son in gold. --Dryden.
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2. Doubly; in twofold quantity or degree; as, twice the sum;
he is twice as fortunate as his neighbor.
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Note: Twice is used in the formation of compounds, mostly
self-explaining; as, twice-born, twice-conquered,
twice-planted, twice-told, and the like.
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