Definify.com

Definition 2024

See also: life-line and life line

lifeline ‎(plural lifelines)

A line to which a drowning or falling victim may cling to.
A means or route for transporting indispensable supplies.
A source of salvation in a crisis.
(engineering) System or structure of vital importance to a community.
(nautical) On the deck of a boat, a line to which one can attach oneself to stay aboard on rough seas.

safety line on the deck of a boat

means of salvation in a crisis