Lifeline

n. rope used to rescue someone in distress; rope for raising or lowering a diver; main route or means of transportation or communication; source of help; line across the palm which reveals information about a person's life (Palmistry)

For the science fiction short story by Robert A. Heinlein, see "Life-Line".For the action-adventure video game, see "Lifeline (video game)".For the Stargate Atlantis episode, see "Lifeline (Stargate Atlantis)".A lifeline is a line or rope used to support a person who is in physical difficulty, such as a person who is at risk of drowning. The term may now be used to refer to several different things which draw from this original meaning to some extent.
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Noun
1. a crease on the palm; its length is said by palmists to indicate how long you will live
(synonym) line of life, life line
(hypernym) wrinkle, furrow, crease, crinkle, seam, line
2. 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"
(hypernym) support
3. line that raises or lowers a deep-sea diver
(hypernym) line
4. line thrown from a vessel that people can cling to in order to save themselves from drowning
(hypernym) line
(hyponym) ridge rope

Derivative of Hemi-Sync. Its theory posits an afterlife and "healing dolphin energy."

Synonyms and related words:
Mae West, aegis, arm guard, backstop, bolt-hole, breeches buoy, buffer, bulwark, bumper, buoy, contraceptive, copyright, cork jacket, crash helmet, cushion, dashboard, dodger, ejection capsule, ejection seat, ejector seat, emergency exit, escape hatch, face mask, fender, finger guard, fire escape, foot guard, fuse, goggles, governor, guard, guardrail, hand guard, handrail, hard hat, helmet, inflatable slide, insulation, interlock, knee guard, knuckle guard, laminated glass, life belt, life buoy, life jacket, life net, life preserver, life raft, life ring, life vest, lifeboat, lightning conductor, lightning rod, mask, mudguard, nose guard, pad, padding, palladium, parachute, patent, pilot, preventive, prophylactic, protective clothing, protective umbrella, rubber dinghy, safeguard, safety, safety belt, safety glass, safety plug, safety rail, safety shoes, safety switch, safety valve, sally port, screen, seat belt, shield, shin guard, slide, sun helmet, umbrella, water wings, windscreen, windshield