Twenty \Twen"ty\, a. [OE. twenty, AS. tw?ntig, twentig; akin to OFris. twintich, OS. tw?ntig, D. & LG. twintig, OHG. zweinzug, G. zwanzig, Goth. twai tigjis; that is, two tens. See Twain, Two, and Ten.]

1. One more that nineteen; twice; as, twenty men.

2. An indefinite number more or less that twenty. --Shak.

Maximilian, upon twenty respects, could not have been the man. --Bacon.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Twenty \Twen"ty\, n.; pl. Twenties.

1. The number next following nineteen; the sum of twelve and eight, or twice ten; twenty units or objects; a score.

2. A symbol representing twenty units, as 20, or xx.

Source: Webster's Revised Unabridged Dictionary (1913)