(1) A ruffle on the water indicating a breath of wind during a calm (2) A twisting hitch made in the bight of a rope to form two eyes, through which the hook of a tackle is passed for hoisting purposes.

Is the lowest temperature to which oil must be heated under standardized test conditions to drive off sufficient inflammable vapour to flash when brought into contact with a flame. Flash points of petroleum based lubricants increase with increasing pressu ...

The area of calm which lies inside the trade winds near the equator.

Old legend of a Dutch skipper who, in a strong gale, swore by Donner and Blitzen that he would beat into Table Bay in spite of God's wrath. His ship foundered and he was condemned to go on sailing eternally in his attempt to reach Table Bay. There was a s ...

A bulkhead, frame, or longitudinal stiffener, running fore and aft.

Here are a few old superstitions of seamen: (1) When a ship was launched or about to sail on a long voyage, a libation was offered to the gods of the sea by pouring wine upon the deck so that good fortune would accompany the ship. (2) Flowers carried on b ...

This is the pressure found on the suction side of a refrigeration system.

Slang expression to indicate that a ship was not fitted with any mechanical aids, and that all the work of the ship had to be done with the strong arms of the crew.

The stationary seating surface, the inlet of a valve.

Two short pieces of timber fixed horizontally fore and aft on each side of the lower masthead of a square rigged vessel and used to support the topmast, the lower crosstrees, and the top.

The tall, narrow, waterproof box that houses a vessel's centerboard and allows it to be retracted into the ship's hull.

A filtering unit for vented enclosures installed to prevent dirt and foreign matter from entering the enclosure.

A compressor control mechanism designed to control performance output of the compressor to the demands of the plant process.

The chamber located on suction side of cap tube, in which freon is evaporated to cause cooling in a refrigeration system.

A switching railroad operating within a commercial area.

Through transportation of a container and its contents from consignor to consignee. Also known as House to House. Not necessarily a through rate.

In a dynamic compressor, surge limit is the capacity below which the compressor operation becomes unstable.

(1) To tip the boat over so that the boat is upside down with the mast pointing down to the sea bottom. (2) A bag in which a spinnaker or other large sail can be stowed with the lines attached so that it can be rapidly raised.

Maritime area usually specified by range of ports in which a vessel may operate

Laying up of a vessel, in a dock, for repairs.