Boating Dictionary

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There are currently 32 names in this directory beginning with the letter D.
Dacron
Commercial name of a polymer used in sails
Damage
Damage at one among the boat systems
Dart
One-design-catamaran with a lenght of 5.48x2.28 metres and a sail area of 16.07 square metres
Dead point
Unused part in a rope or a cable
Dead reckoning navigation
Sailing without any precise reference points. Position is determined according to course, speed and time.
Deck
Walkable surface of a vessel
Deck - verb -
To hoist and place masts
Deck house
Superstructure above the deck
Delta.
Term which represents ‚D‚ in the international phonetic alphabet.
Depression
Area of low atmospheric pressure
Depth contour
A line whih joinsg poinst of equal depth on maps, see also ‚bathymetric‚ ip
Depth meter
Electronic or manual instrument used to mesure depth
Deviation card
A record of the amount of deviation of a ship compass caused by local magnetic effects
Digital map
Geo-referencered digital cartography for digital navigation devices
Dinghy
Small pleasure boat or rigid tender
Displacement
Weight of the volume of the water pushed aside by a boat; it is equal to the boat weight.
Dodger
Raised borders used to prevent water from entering the cockpit
Double - verb -
To go over, to pass by a cape or an obstacle.
Double halyard
Halyard with a tackle fixed on the sail end: The double circuit halves the necessary force for the hoisting
Downhaul
Rigging which pulls the boom downwards. If referred to main sail boom, it is called vang.
Draft
The vertical distance between the waterline and the deepest part of the keel
Drag - verb -
An anchor which, after failing in holding the bottom, slides on it because of the boat traction, caused, in its turn, by wind, stream or waves
Draught
Maximum depth of a vessel
Draw - verb -
It indicates a sailing boat driving. Sails pushing the boat.
Dress
Decoration made up of a series of little flags
dress - verb -
To adorn a boat with little flags on the line running from the bow to the stern and on the top of the mast (s). See also Full Dress
Dressing ship
To adorn a boat with little flags along the line running from bow to stern passing trough the top of the mast(s)
Drift angle
Change of the course angle caused by the stream action
Drifting
When a boat is pushed by stream
Drip pan
Rise around machinery to impede liquid pouring
Drop the anchor - verb -
To drop the anchor on the bottom
Dyneema
Very resistant synthetic fibre used to produce ropes. Its commercial name is ‚spectra‚ i


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