Sea water used for ballast, let into the double bottom, or into a water-ballast tank, or trimming tanks.

Small cask used for carrying drinking water in a boat.

A small cask carried in ship's boats for drinking purposes.

Machines cooled by water circulated through jackets surrounding the cylinders or casings.

The surface of the water.

Filled with water but afloat.

The line where the water comes to on the hull of a boat. Design waterline is where the waterline was designed to be, load waterline is the waterline when the boat is loaded, and the painted waterline is where the waterline was painted. Actual waterline is ...

The line painted on the side of the vessel at the water's edge to indicate the proper trim.

The length of the boat at the waterline.

Completely filled with water.

Capable of keeping out water.

A bulkhead that will not let water pass from one side of it to the other.

A compartment having a watertight bulkhead at each end.

A river, canal or other body of water that boats can travel on.

The gutter at the sides of a ship's deck to carry off water.

Oscillations of the sea caused by wind blowing along the surface and moving in the direction from which the wind blows.

Goods floating on surface of sea after a wreck.

Order given to a boat's crew when going alongside under oars. Denotes that boat has sufficient way, and that oars are to be placed inside the boat.

A charted feature or chosen position on a chart

The framework of timber, etc., on which a vessel is built, from which she is launched into the water.