n. 1. The anem given to one of the creases on the palm; its length is said by palmists to indicate how long one will live. Syn. -- line of life, life line. [ WordNet 1.5 ]
2. A line or rope which raises or lowers a deep-sea diver. [ WordNet 1.5 ]
3. A line from a vessel that people in a body of water can cling to to save themselves from drowning. [ WordNet 1.5 ]