Keel - The lowest longitudinal timber of a vessel, on which framework of the whole is built up; The central member on the bottom of the hull, extending from bow to stern, the combination of iron plates serving same purpose in iron vessel.
Category: - Maritime

Keel-blocks - Heavy blocks which support the keel of the ship during construction.
Category: - Maritime

Keelhauling - A way of punishing sailors by tying them to a rope and dragging them across the bottom of the ship.
Category: - Maritime

Key Attribute - A unique identifier for related records that can serve as a common thread throughout the files in a relational database.
Category: - GIS

Kilopascal - The internationally recognized unit used by the Meteorological Service of Canada for measuring atmospheric pressure.
Category: - Weather

King Post - A stub mast, outboard from center line, used to carry cargo booms; king posts also serve as ventilators.
Category: - Maritime

Knot - A tie in a line (for instance a square knot).
Category: - Maritime

Knot - Unit of speed in navigation which is the rate of nautical mile (6,080 feet or 1,852 meters) per hour.
Category: - Maritime

Knuckle Plate - A plate bent to form a knuckle. A knuckle is a rounded corner usually found on the bottom of a vessel. It is believed that if a vessel contacts the riverbank, a vessel with rounded knuckle plates can be dislodged easier than one that has sharp corners.
Category: - Maritime

Kort Nozzles - A steel tube that surrounds a propeller, directing the water and improving efficiency.
Category: - Maritime