The Collaborative International Dictionary of English v.0.48:
Leaper \Leap"er\, n. [AS. hle['a]pere.] One who, or that which, leaps. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Leaper \Leap"er\, n. [See 1st Leap.] A kind of hooked instrument for untwisting old cordage. [1913 Webster]WordNet (r) 3.0 (2006):
leaper n 1: someone who bounds or leaps (as in competition) [syn: bounder, leaper]