Bugle (noun)

1. A brass instrument that is similar to a trumpet, but without valves or keys, and with a wider and more conical bore.
2. A call made by a bugle, typically used to signal the start or end of a day, or to call troops to attention.

Origin:

From the latin word "buccina" which means a trumpet or a horn.

Examples:

1. The bugle call was used to signal the start of the parade.
2. The bugler blew reveille to wake up the soldiers.
3. The bugle is a simple instrument but it can produce a wide range of sounds.
4. The bugle is an important part of military tradition.
5. He learned to play the bugle when he joined the army.