CFM. An airflow measurement of volume.

To stow or secure in a safe place. A top-mast is housed by lowering it and securing it to a lowermast.

A waybill covering two or more consignments of freight.

A horn type of vent designed to let air into a cabin and keep water out.

At or in the direction of the bow. Also the fore part of the ship.

To place pieces of dunnage in between pieces of cargo in order to prevent shifting of the cargo.

Shanties are the work songs that were used on the square-rigged ships of the Age of Sail. Their rhythms coordinated the efforts of many sailors hauling on lines.

a filter element intended to be discarded and replaced after one service cycle.

The weight of water vapor in the air vapor mixture per pound of dry air.

A change made either in the route of a shipment in transit (see Reconsignment) or of the entire ship.

Is a compression in which the temperature of a gas remains constant.

Is another term for saturated vapor pressure.

To give the steersman the de-sired course to be steered.

Side stays from the masthead to the rail..

A moment of time which could be measured by the shaking of a sail as a sailing ship comes into the wind.

The metal axle of a block upon which the sheave revolves.

Steps in the compression of a gas, In reciprocating compressors, each stage usually requires a separate cylinder, in dynamic compressors, each requires a separate rotor disc.

A sail placed forward of the mast, such as a jib; the sail set from the foremast on a schooner; the lowest square sail on the foremast of Square Riggers.

A bridge that swings away from the waterway so that boats may pass beside it.

A time or a date draft that has been accepted by the buyer (the drawee) for payment at maturity.