| Answer | Crossword Clue |
|---|---|
| TOOT | Train whistle sound |
| TOOT | Train-whistle sound |
| TOOT | Train whistle. |
| TOOT | Train whistle |
| ENGR | One who pulls a train whistle: Abbr. |
| TWEET | Whistle sound |
| TOOT | Whistle sound. |
| TOOT | Whistle sound |
| TOOT | Whistle-blower's sound |
| TOOT | Steam whistle sound |
| TOOT | Factory whistle sound |
| TWEET | Tin-whistle sound |
| TOOT | Sound from a whistle-blower |
