lifeboat
nounUK /ˈlaɪf.bəʊt/
US /ˈlaɪf.boʊt/
A lifeboat is a small boat used to save people when a big ship is in trouble.
The sailors climbed into the lifeboat when the ship started to sink.
OTHER MEANINGS
2. A boat kept on a ship for use in an emergency.
Every passenger ship must carry enough lifeboats for everyone on board.
3. A special boat used by rescue teams to help people in danger at sea.
The lifeboat crew rushed out to save the swimmers caught in the storm.
4. Something that helps people survive a difficult situation.
Her savings were a lifeboat during the months she had no job.