lifeline Meaning, Definition & Usage

1. noun a crease on the palm; its length is said by palmists to indicate how long you will live
   line of life; life line.
   
2. noun 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. noun line that raises or lowers a deep-sea diver
   
4. noun line thrown from a vessel that people can cling to in order to save themselves from drowning
   

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