'Seven-up' definitions:
Definition of 'seven-up'
(from WordNet)
noun
A form of all fours in which a total of seven points is game [syn: seven-up, old sledge]
Definition of 'Seven-up'
From: GCIDE
- Seven-up \Sev"en-up`\, n. The game of cards called also all fours, and old sledge. [U. S.] [1913 Webster]