Existing or growing in two corresponding parts; double.
Denoting a manner of play in cards in which partnerships or teams play the same deals and compare scores at the end: duplicate bridge.
n.
An identical copy; a facsimile.
One that corresponds exactly to another, especially an original.
Games A card game in which partnerships or teams play the same deals and compare scores at the end.
v.
(-kāt') du·pli·cat·ed, du·pli·cat·ing, du·pli·cates
v.
tr.
To make an exact copy of.
To make twofold; double.
To make or perform again; repeat: a hard feat to duplicate.
v.
intr. To become duplicate.
[Middle English, from Latin duplicātus, past participle of duplicāre, to double, from duplex, duplic-, twofold; see dwo- in Indo-European roots.] du'pli·ca·ble, du'pli·cat'a·ble (-kā'tə-bəl) adj., du'pli·cate·ly adv., du'pli·ca'tive adj., du'pli·ca·to'ry (-kĭ-tôr'ē, -tōr'ē) adj.
(dōō'plĭ-kĭt, dyōō'-) 