Pronunciation: (sev'un), [key]
1. a cardinal number, 6 plus 1.
2. a symbol for this number, as 7 or VII.
3. a set of this many persons or things.
4. a playing card with seven pips.
5. sevens, (used with a sing. v.) fan-tan (def. 1).
amounting to seven in number.
seven out, crap2 (def. 3a).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.