Merriam-Webster's Collegiate® Dictionary, 11th Edition
LEAP
I. verb (leaped or leapt; leaping)
Etymology: Middle English lepen, from Old English hlēapan; akin to Old High German hlouffan to run Date: before 12th century intransitive verb to spring free from or as if from the ground ; jump ,
2. to pass abruptly from one state or topic to another, to act precipitately , transitive verb to pass over by leaping , leaper noun
II. noun Date: before 12th century
1. an act of leaping ; spring , bound , b. a place leaped over or from, the distance covered by a leap,
2. a sudden passage or transition , a choice made in an area of ultimate concern