Can

In the IALA Region B buoyage system (USA, parts of the Americas, Japan, Korea, Philippines), an odd-numbered green cylindrical buoy marking the port side of a channel when entering from seaward.

Test your knowledge

Know your nautical terms? Play the free SkipperCheck daily maritime quiz — COLREGs, navigation, VHF radio, seamanship. Earn points, climb the global leaderboard.

Play the Daily Quiz →

Related C-terms

Coil
To lay a rope down in neat, uniform loops for storage, or the stored loops themselves.
Close reach
A point of sail between close-hauled and a beam reach, with the apparent wind about 70° of…
Cast off
To let go a mooring line when departing a dock, mooring, or other vessel.
Centerboard
A pivoting keel that can be raised into a trunk to reduce draft and lowered to resist leew…
Channel
A navigable stretch of water — usually marked with buoyage — where depth is sufficient for…
Clew
The aft lower corner of a fore-and-aft sail; on a mainsail it is tensioned by the outhaul,…
← Back to full glossary
Logo
Logo
Logo
Logo
Logo
Logo