Life line Meaning, Definition & Usage
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       noun a crease on the palm; its length is said by palmists to indicate how long you will live
       
       
 lifeline; line of life.
 
WordNet
Definitions
- . (a) (Naut.) A line along any part of a vessel for the security of sailors .(b) A line attached to a life boat, or to any life saving apparatus, to be grasped by a person in the water.