The Collaborative International Dictionary of English v.0.48:
7 \7\ adj. One more than six; constituting or denoting a quantity consisting of seven items or units; -- representing the number seven as an Arabic numeral. Syn: seven, vii [WordNet 1.5 +PJC]WordNet (r) 3.0 (2006):
7 adj 1: being one more than six [syn: seven, 7, vii] n 1: the cardinal number that is the sum of six and one [syn: seven, 7, VII, sevener, heptad, septet, septenary]