lifeline meaning and definition

LIFELINE noun

Definition of lifeline (noun)

1. a crease on the palm; its length is said by palmists to indicate how long you will live
   • synonyms: life line, line of life
2. support that enables people to survive or to continue doing something (often by providing an essential connection)
   • "the airlift provided a lifeline for Berlin"; "she offered me a lifeline in my time of grief"
3. line that raises or lowers a deep-sea diver
4. line thrown from a vessel that people can cling to in order to save themselves from drowning