noun
Usage: capitalized I
: an offensive football formation in which the quarterback, fullback, and one or both halfbacks line up behind the center and perpendicular to the line
noun
Usage: capitalized I
: an offensive football formation in which the quarterback, fullback, and one or both halfbacks line up behind the center and perpendicular to the line
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012