Hypertext Webster Gateway: "lifeboat"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Lifeboat \Life"boat`\ (-b[=o]t`), n.
A strong, buoyant boat especially designed for saving the
lives of shipwrecked people.
From WordNet (r) 1.7 (wn)
lifeboat
n : a strong sea boat designed to rescue people from a sinking
ship
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