Common Nautical Terms

AFT toward the stern of the boat

ASTERN in back of the boat

BILGE the interior of the hull below the floor boards

BITTER END the last part of a rope or chain; the inboard end of the anchor rope

BOW the forward part of a ship

BRIDGE the location from which a vessel is steered and its speed controlled

BULKHEAD a vertical partition separating compartments

BUOY an anchored float used for marking a position or a hazard on the water and for mooring

CLEAT a fitting to which lines are made fast

COURSE the direction in which a ship is steered

CURRENT the horizontal movement of water

DISPLACEMENT the weight of water displaced by a floating vessel

DRAFT the depth of water a boat draws

FATHOM six feet

FLOOD an incoming current

GALLEY the kitchen area of a ship

GUNWHALE the upper edge of a ship’s sides

HELM the wheel or tiller controlling the rudder

HULL the main body of a vessel

KEEL the centerline of a boat running fore and aft

KNOT a measure of speed equal to one nautical mile (6,076 feet) per hour

LEEWARD the direction away from the wind

NAUTICAL MILE one minute of latitude; approximately 6,076 feet—about 1/8 longer than the statute mile of 5,280 feet

PORT the left side of a ship looking forward; a harbor

SCUPPERS drain holes on deck, in the toe rail, or in bulwarks or in the deck itself

SOUNDING a measurement of the depth of water

STARBOARD the right side of a ship when looking forward

TRIM fore and aft balance of a boat

WINDWARD toward the direction from which the wind is coming

YAW to swing or steer off course