klaxon or Klaxon /klakˈsən/

1. Orig a mechanical horn with a loud rasping sound, of a kind used on early motor vehicles
2. Any electric horn

To sound a klaxon

• harp on about
• harp on one string
• harpoon
• harpooned
• harpooneer
• harpooneers
• harpooner
• harpooners
• harpoon-gun
• harpoon-guns
• harpooning
• harpoons
• harps
• harp seal
• harp seals
• harp-shell
• harp-shells
• harpsichord
• harpsichordist
• harpsichordists
• harpsichords
• harpy
• harpy eagle
• harpy eagles
• harquebus