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BASE jump

American  
[beys] / beɪs /
Or B.A.S.E. jump or base jump

noun

  1. a parachute jump from the top of a building, bridge, cliff, etc., usually at a height of 1,000 feet (305 meters) or less.


Other Word Forms

Etymology

Origin of BASE jump

1980–85; B(uilding) + A(ntenna) (tower) + S(pan) 1 + E(arth) + jump

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