the cardinal number that comes after nineteen and before twenty-one
The classroom has twenty desks arranged in neat rows.
We planted twenty trees along the village road.
✦ Old English ‘twēntig’, from ‘twēgen’ (two) + ‘-tig’ (group of ten).
the number 20 itself
Twenty is an even number that can be divided by four.
The dart landed on the double twenty, scoring forty points.
(informal) a banknote worth twenty units of currency, especially dollars or pounds
Do you have change for a twenty?
He slipped a crisp twenty into the tip jar.
