Lifeboat (noun)

1. A boat designed to rescue people in danger of drowning or shipwreck.
2. A boat that serves as a means of escape or rescue in an emergency.

Origin:

From 'life' meaning 'the state of being alive' and 'boat' meaning 'a small boat'.

Examples:

1. The lifeboat was launched and rescued the survivors of the sinking ship.
2. The lifeboat was equipped with supplies and a radio to help the survivors until rescue arrived.
3. The lifeboat was a sturdy and reliable vessel that could withstand rough seas and storms.
4. The lifeboat crew were trained and experienced in handling the boat and rescuing people in distress.
5. The lifeboat drill was conducted regularly to ensure that everyone knew how to use it in an emergency.