What is "split end"

n. 1 A hair which has split at the end, usually from dryness or innutrition. ''(Usually in plural)'' 2 (context American football English) The position which lines up wide and on the offensive line of scrimmage whose primary job is to serve as a receiver 3 (context American football English) A player playing the position of split end

n. (football) an offensive end who lines up at a distance from the other linemen