Meanings
plural dan buoys
- nauticalA small buoy, sometimes made of cork with a small flag, used to temporarily mark a position at sea, normally to mark a fishing ground, a minesweeping area, or a man overboard.
A dan buoy is usually laid from aft, the anchor and sinker being hung outboard through an after fairlead and the dan buoy hung from a tripping hook on a whip from the minesweeping davit, the mooring being led outboard.
1970 [1938], Great Britain. Hydrographic Department, chapter 1, in Admiralty Manual of Hydrographic Surveying, volume 2, United Kingdom: Hydrographer of the Navy, Dan Buoys (section 18), page 19
Origin
Uncertain. One theory is that the term comes from "danger buoy".
Full word history & related roots →Cite this entry
dan buoy. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/dan%20buoy
“dan buoy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dan%20buoy. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “dan buoy,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/dan%20buoy.
Source: dan buoy on Wiktionary, CC BY-SA 4.0.