lifeboat

A boat carried on a ship for use if the ship has to be abandoned.

A boat used for rescue service.

A boat constructed for the special purpose of saving life at sea in stormy weather, especially in case of shipwreck.

A strong, buoyant boat especially designed for saving the lives of shipwrecked people.

a boat especially designed for saving the lives of shipwrecked people.

a strong sea boat designed to rescue people from a sinking ship