rip cord

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noun

a cord on a parachute that, when pulled, opens the parachute for descent.
a cord fastened in the bag of a passenger balloon or dirigible so that a sharp pull upon it will rip or open the bag and let the gas escape, causing the balloon to descend rapidly.

Origin of rip cord

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ripcord

British Dictionary definitions for ripcord

ripcord

/ (ˈrɪpˌkɔːd) /

noun

a cord that when pulled opens a parachute from its pack
a cord on the gas bag of a balloon that when pulled opens a panel, enabling gas to escape and the balloon to descend

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012