|
DDD DELTA DDD
|
| DAGGER
BOARD |
A centerboard that is instead
raised and lowered vertically in a trunk |
| DAVIT |
A
hoist that projects over the side of a ship or a hatchway and is used especially for boats, anchors, or cargo. |
| DEAD
RECKONING |
To plot a future position
based on travel from a known position using speed, time and course |
| DEAD RISE |
The rise or upward slant of the bottom
of the ship from the keel to the bilge, the measurement of the angle between
the bottom of a boat and its widest beam. A vessel with a 0º deadrise has a
flat bottom, high numbers indicate deep V shaped hulls. |
| DEVIATION |
The errors of a compass' reading
due to the effect of magnetic forces on board the boat |
| DEVIATION
CARD |
A listing of a particular
boat's steering deviation on each point of the compass |
| DINGHY |
A small rowboat or inflatable,
usually used for transport |
| DINK |
Nickname for dinghy |
| DISPLACEMENT |
The weight of the water displaced
by a floating boat which is equal to the its weight |
| DITTY BAG |
Canvas bag for a
sailor's personal tools |
| DOLPHIN |
a spar or buoy for mooring boats.
also a cluster of closely driven piles used as a fender for a dock or as a mooring or guide for boats |
| DOUSE |
To take down a sail
quickly |
| DOWNHAUL,
BOOM |
Tackle attached to the gooseneck
which pulls down the boom when the sail is raised to tighten
the luff |
| DOWNWIND |
To leeward |
| DRAFT |
1) How deep the water
must be to float a boat.
2) The belly or chord
depth of the sail, its fullness
3) The depth of the
boat below the waterline
4) The amount of water the boat draws from the water line to its greatest extremity below the water line. |
| DRIFT |
Speed or velocity of
current |
