[eight] n [ME eighte, fr. eighte, adj., fr. OE eahta; akin to OHG ahto eight, L octo, Gk okto] (bef. 12c) 1: one more than seven
2: the eighth in a set or series "the ~ of spades"
3: something having eight units or members: as a: an 8-oared racing boat or its crew b: an 8-cylinder engine or automobile -- eight adj -- eight pron, pl in constr