# BASE jumping

> English word · Noun

## Definitions
1. An extreme sport consisting of jumping from a fixed structure on land, using a parachute.

## Etymology
From BASE (“Building, Antenna, Span, Earth”) + jumping, four categories of fixed objects from which one can jump.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/base-jumping
