Gavel (noun)

1. A small hammer-like tool used by a judge, auctioneer, or chair of a meeting, to call for attention or to signal the end of a session or bid.
2. A small hammer-like tool used to make a sound for attention or for signaling the end of a session or bid.

Origin:

The word "gavel" comes from the old english word "gafol" which means "payment". it was first used in the 15th century to refer to a tool used to make a sound in a courtroom or auction.

Examples:

1. The judge banged the gavel to call the courtroom to order.
2. The auctioneer used the gavel to signal the end of the bid.
3. The chairman used the gavel to signal the end of the meeting.
4. The gavel is a symbol of authority in a courtroom.
5. The gavel is used to make a sound to draw attention.