lifeline

[ lahyf-lahyn ]
/ ˈlaɪfˌlaɪn /

noun

Origin of lifeline

First recorded in 1690–1700; life + line1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lifeline

British Dictionary definitions for lifeline

lifeline
/ (ˈlaɪfˌlaɪn) /

noun

a line thrown or fired aboard a vessel for hauling in a hawser for a breeches buoy
any rope or line attached to a vessel or trailed from it for the safety of passengers, crew, swimmers, etc
a line by which a deep-sea diver is raised or lowered
a vital line of access or communication
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