- horen (often proscribed)
From Old Dutch *horn, from Proto-Germanic *hurną (compare Low German Hoorn, horn, German Horn, West Frisian hoarn, English horn, Danish and Swedish horn), from Proto-Indo-European *ḱer-. Compare also horen, from the same origin.
- a horn (sound device) or a bugle
- a horn (growth projecting from the head of some animals)
- a receiver, an earphone