Glossary
Welcome to the Yachts and Boating Glossary.  Nautical terms and phrases are listed below alphabetically.  If you spot any mistakes or have any new entries to wish to add please email us at info@yachtsandboating.com.  


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B
There are 33 entries in the glossary.
Pages: 1
Term Definition
BackAnti-clockwise change in the wind direction.
 
BackstayRear stay holding the mast.
 
BailerSmall receptacle for removing water from a boat.
 
BallastWeight placed low down within the hull of a boat to improve stability.
 
BalwarksWooden or steel rail running around the deck edge.
 
BarShallow patch of water across the mouth of a river or entrance to a harbour. 
 
BattensStrips of flexible plastic, wood or GRP inserted into pockets on a sail to maintain a good shape.
 
BeaconA fixed mark or structure to aid navigation/warn of hazards.
 
BeamThe width of a boat. 
 
BearingThe compass direction of an object from another.
 
BeatingSailing to windward by repeatedly tacking across the wind.
 
BecketAn eye or loop in rope.
 
Before

(the mast) Towards the bow.

 
BelayTo make fast or secure a rope; (colloquially to cancel or change an order).
 
BendA category of knot for joining ropes together.
 
BerthPlace for a boat to dock.
 
BightThe middle or loop of a rope.
 
BilgeInternal underwater area of a boat hull where water collects.
 
BinnacleThe housing for a steering compass.
 
BittsA pair of verticle posts for securing mooring lines or anchor warps.
 
BlockA plastic, metal or wooden shell holding one or more sheaves through which ropes are led.
 
BluffSteep-to, perpendicular.
 
BollardA verticle post for securing mooring lines.
 
BoomA spar used to hold the foot of a sail out.
 
BottlescrewA device for adding tension to a fixed rope or cable.
 
BowThe forward end of a boat.
 
BowlineKnot used to create a loop in a length of rope (can be on the blight, running or fixed).
 
BowspritSpar projecting forward of the stem.
 
BroachTo swing over broadside to the sea.
 
BulkheadVertical partition witin a boat.
 
BunkBed.
 
BuoyA float to aid navigation or moor to.
 
BurgeeA triangular flag flown to show membership of a club.
 


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