The Collaborative International Dictionary of English v.0.48:
Leap \Leap\ (l[=e]p), v. i. [imp. & p. p. Leaped (l[=e]pt;
277), rarely Leapt (l[=e]pt or l[e^]pt); p. pr. & vb. n.
Leaping.] [OE. lepen, leapen, AS. hle['a]pan to leap, jump,
run; akin to OS. [=a]hl[=o]pan, OFries. hlapa, D. loopen, G.
laufen, OHG. louffan, hlauffan, Icel. hlaupa, Sw. l["o]pa,
Dan. l["o]be, Goth. ushlaupan. Cf. Elope, Lope,
Lapwing, Loaf to loiter.]
1. To spring clear of the ground, with the feet; to jump; to
vault; as, a man leaps over a fence, or leaps upon a
Leap in with me into this angry flood. --Shak.
2. To spring or move suddenly, as by a jump or by jumps; to
bound; to move swiftly. Also Fig.
My heart leaps up when I behold
A rainbow in the sky. --Wordsworth.