The pressure at which a pressure operated valve begins to pass a gas.

An announced warning of an approach of a storm.

Flat bottomed vessel with a shallow draught.

The manner in which a shipment moves; i.e., the carriers handling it and the points at which the carriers interchange.

The compartment at the bow of the vessel

Of, relating to, or using air. Moved by air pressure. Filled with compressed air.

(1) The portion of an anchor that digs securely into the bottom, holding the boat in place. (2) The two triangular parts which make up a whale's tail.

Small, cake-shaped pieces of ice floating down rivers.

A rail fastened along the inside of the bulwarks of a vessel and pierced to hold belaying pins

A piece of wood fitted in various places to act as a preventative to chafe.

A vessel formed of two or more hulls. A catamaran has two hulls, and a trimaran has three hulls.

Compartment in which clothing for issue to crew is stowed.

To bring a sailing vessel to a stop with her sails still set. This can be accomplished on a square rigged ship by bracing the yards aback on her foremast; on fore-and-aft rigged boats it is done by bringing her head into the wind so that the sails are no ...

The short aftermost raised deck of a vessel.

The westerly distance in an arc from Aries, measured as an angle at the pole or as the intercepted arc of the equinoctial between the hour angle of Aries and the hour angle of the body.

A compartment on or near the bridge of a ship that contains the steering wheel and other controls, compass, charts, navigating equipment and means of communicating with the engine room and other parts of the ship. Also known as wheelhouse

A support wire running from the upper part of the mast to the bow of the boat designed to pull the mast forward. A forestay that attaches slightly below the top of the mast can be used to help control the bend of the mast. The most forward stay on the boa ...

An adiabatic compression with no increase in entropy; a reversible-adiabatic compression.

The interaction between the stages of a centrifugal compressor. When a multi-stage compressor is designed, each stage can operate at only one point its characteristic curve. The point is determine by the design conditions of temperature, flow and pressur ...

Machine which receives dry bulk cargo. It is used for stowing sugar,ores and minerals in the holds.