Wiktionary
bell buoys
n. (bell buoy English)
Usage examples of "bell buoys".
She cocked her head, listening, but could not hear the dull polyphony of the bell buoys that tolled to mark the channel.
She could hear the toll of the bell buoys, the hollow hoot of the whistling markers, the distant putter of the lobster boats and the mournful cry of gulls.