sevens

(noun) a card game in which you play your sevens and other cards in sequence in the same suit as the sevens; you win if you are the first to use all your cards. Synonyms: fantan, parliament.

(noun) the cardinal number that is the sum of six and one. Synonyms: seven, 7, VII, sevener, heptad, septet, septenary.

(noun) one of four playing cards in a deck with seven pips on the face. Synonyms: seven-spot, seven.