/sev"euhn/ , n.
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).
adj.
6. amounting to seven in number.
v.i.
7. seven out , crap 2 (def. 3a).
[ bef. 900; ME seoven ( e ), seofne, seven, OE seofon; c. G sieben, Goth sibun; akin to OIr secht, Welsh saith, L septem, Gk heptá, Pol siedem, Skt saptá ]