a buoy to which ships or boats can be moored.
Origin of mooring buoy
First recorded in 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mooring buoy
Historical Examples of mooring buoy
Peter crept forward and crouched on the deck in front of the mast I peered into the gloom to catch sight of our mooring-buoy.Our Casualty And Other Stories
James Owen Hannay, AKA George A. Birmingham