| Clue | Source | Date |
|---|---|---|
| Horn sound | The Telegraph Cross Atlantic | 28 Oct 2026 |
| Toot | The Telegraph Cross Atlantic | 04 Feb 2026 |
| Sound of a horn | The Telegraph Cross Atlantic | 06 Jul 2025 |
| Toot a horn (4) | ||
| Clap rapturously, when some members from the east make honking sound | ||
| A sound like that of a honking car horn or in jest, a 1A | The Times Specialist Sunday | 24 Sep 2017 |