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Meaning of tossup

toss•up

Pronunciation: (tôs'up", tos'-), [key]
— n.
  1. the tossing of a coin to decide something by its fall.
  2. an even choice or chance: It's a tossup whether they'll come or not.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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