At Sea Glossary - M
The tallest (possibly only) mast on a boat.
The main sail that is suspended from the main mast.
The line used to control the mainsail.
A topsail on the main mast.
To attach a line to something so that it will not move.
A place where boats can find fuel, water and other services. Marinas also contain slips where boats can stay for a period of time.
Any vertical pole on the boat that sails are attached to. If a boat has more than one mast, they can be identified by name.
The person in charge of a vessel. The captain.
The top of a mast.
An assistant to the captain.
An internationally recognized distress signal used on a radio to indicate a life-threatening situation. Mayday calls have priority over any other radio transmission and should be used only if there is an immediate threat to life or vessel. More urgent than a pan pan orsecurite call.
A longitude line. Meridians are imaginary circles that run through both poles.
A smaller aft mast on a ketch or yawl rigged boat.
The sail on the aft mast of a ketch or yawl rigged sailboat.
A small sail that is sometimes placed forward of the mizzen mast.
A boat that has only one hull, as opposed to multihull boats such as catamarans or trimarans.
To attach a boat to a mooring, dock, post, anchor, etc.
A place where a boat can be moored. Usually, a buoy marks the location of a firmly set anchor.
A buoy marking the location of a mooring. Usually attached to ananchor by a small pendant.
A line used to secure a boat to an anchor, dock or mooring.
A code that uses dots and dashes to communicate by radio or signal lights.
1) An engine.
2) The act of using an engine to move a boat.
A boat designed to use its motor for significant amounts of time and use the sails less often than a normal sailboat.
1) An attachment point for another object.
2) The act of putting an object on its mount.
Any boat with more than one hull, such as a catamaran ortrimaran.
A type of anchor with a heavy, inverted mushroom-shaped head. Mushroom anchors are used to anchor in mud and other soft ground.