What is "boat whistle"

Usage examples of "boat whistle".

As the water spouted in great sheets over Mooney's fireboat, and his boat whistle reverberated off the city's skyscrapers, another fireboat followed his example, and another.

In the distance a dog moon-bayed mournfully, then, far up the Hudson, a boat whistle blew a deep note.

The boat whistle blasted again and the Belfast hove against the wharf The vibrations ascended from the floorboards through the soles of Roberta's shoes to the region around her heart, warning that for better or worse, after eighteen years, she was home again.

He heard and identified all the sounds of a new habitat: the hum of traffic on River Road, a lonely boat whistle, a radio or stereo somewhere in the building, and eventually the crunch of tires on the crushed stone of the driveway.

Far out in the river a boat whistle blew, two times, then two times again, and the sound echoed from the steel flanks of the ships until it had no source or direction and became a mournful wail that filled the hot night.

All day long, though, helicopters, some heavy, came in and landed at the heliport, and they heard an occasional boat whistle as well.