American Heritage Dictionary
(12)
Century Dictionary
(15)
GNU Webster's 1913
(4)
WordNet
(8)
Elsewhere on the web
It's called the leap-back.— Cameron Sinclair on open-source architecture
Although the latter option requires a major leap of faith, those who take this leap are the fortunate ones because the best of marriage is yet to come.— Shaister Miester Do Da
This definitely isn't a case of the little kid from a 1970s movie turning into an adult Dharmendra or Amitabh mid-leap, and also transitioning into a completely different person in the process.— Jabberwock

American Heritage Dictionary (1)
Century Dictionary (3)
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