A term which describes the rising of warm air above cold air when two air masses of different temperatures, humidity and pressure meet.

In the middle portion of the boat - Roughly halfway between a ship's stem and stern, and where the beam usually is the widest.

A conduit for disposing of refuse-especially that the ship/s galley.

A fender made of granulated cork and covered with woven tarred stuff.

The difference between the maximum extended height and the compressed height of an air actuator.

The posted bill showing stations of the crew at maneuvers and emergency drills.

Lines drawn on a weather map indicating regions of equal pressure. When the lines are close together, this indicates a rapid change in air pressure, accompanied by strong winds.

The act of breaking out the flukes of an anchor if they are caught on some obstruction, preventing it from being normally weighed.

Similar to a Barber hauler, a twing adjusts the angle of sheeting.

Kept in a neat seaman-like manner.

Cycles per minute - a unit of measure of the frequency of any vibration.

The place to which a shipment is consigned.- The place where carrier actually turns over cargo to consignee or his agent.

The lifting power. It may be measured by the volume of a watertight hull above the load water line.

The top of a wheelhouse, forecastle, etc., having the form of a turtle's back.

A frame that supports a boat when she's hauled out of the water onto shore.

A line attached to the crown of an anchor and used to help free it in the event it becomes fouled.

Part of a ship/s side projecting upwards along the line of the weather deck or uppermost deck.

An imaginary line around the center of the earth at 0

Development of the lugsail rig where the sail is cut with a very short luff and lon leech.

Light, warm wind on surface of sea.