Definitions of lifeline:
- noun: line thrown from a vessel that people can cling to in order to save themselves from drowning
- noun: line that raises or lowers a deep-sea diver
- noun: support that enables people to survive or to continue doing something (often by providing an essential connection)
Example: "The airlift provided a lifeline for Berlin"
- noun: a crease on the palm; its length is said by palmists to indicate how long you will live
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