| Answer | Crossword Clue |
|---|---|
| FRILL | Bell or whistle? |
| FRILL | Bell or whistle |
| FIREDRILL | Bell or whistle getting set off for safety run-through (4,5) |
| SIGNAL | Wink or whistle, sometimes |
| TIN | Word with whistle or cup |
| TIN | Word with horn or whistle |
| TUNE | Thing to hum or whistle |
| BIRDCALL | Whistle or trill, e.g. |
| WOLF | Word with dog or whistle |
| NOTEOFALARM | Police whistle or SOS, e.g. |
