1. The cardinal number equal to the sum of 1 + 1. 2. The second in a set or sequence. 3. Something having two parts, units, or members, especially a playing card, the face of a die, or a domino with two pips. 4. A two-dollar bill.
IDIOM:
in two Into two separate parts; in half: cut the sandwich in two.
ETYMOLOGY:
Middle English, from Old English tw. See dwo- in Appendix I.
t
. See dwo- in Appendix I.
