Yes, horns is a Scrabble word!

Verb

1. Stab or pierce with a horn or tusk

Noun

1. A noisemaker (as at parties or games) that makes a loud noise when you blow through it

2. One of the bony outgrowths on the heads of certain ungulates

3. A noise made by the driver of an automobile to give warning;

4. A high pommel of a Western saddle (usually metal covered with leather)

5. A brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves

6. Any hard protuberance from the head of an organism that is similar to or suggestive of a horn

7. The material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails

8. A device having the shape of a horn

9. An alarm device that makes a loud warning sound

10. A brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves

11. A device on an automobile for making a warning noise