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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

  • BASE jumper noun
  • BASE jumping noun

Etymology

Origin of BASE jump

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.