n. A line attached to a life boat, or to any life saving apparatus, to be grasped by a person in the water.n. The anem given to one of the creases on the palm; its length is said by palmists to indicate how long one will live.n. A line or rope which raises or lowers a deep-sea diver.n. A line from a vessel that people in a body of water can cling to to save themselves from drowning.