Lifeline

Pronunciation

Alternative forms

• life-line
• life line

Origin

From life + line.

Full definition of lifeline

Noun

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