A sea which is traveling in the opposite direction to that of the boat

A mythical creature, half human and half fish.

Metal or wooden peg inserted in gunwale of a boat for an oar to heave against when rowing without crutch or rowlock.

International Convention on Oil Pollution Preparedness,Response and Co-operation, IMO

Standing or running (adjustable) wire rigging that supports the mast from the stern; a wire mast support leading aft to the deck or another mast

When compressed air is forced through a submerged perforated hose or pipe. Some applications include; ice prevention, reduction of salt intrusion, underwater basting, pneumatic breakwaters and general mixing and agitation

A pump which is used to deliver air to the aquarium. The pump pushes air through silicon tubing and to air stones or other aquatic decor. They are also an essential for UGF's (undergravel filters). An air stone is placed in each clear tube. When the air b ...

A yard or pole extending the head or foot of the topsail beyond the topmast or gaff of a gaff-rigged boat

Slang name for the Q Flag. Also an old term for yellow fever.

A type of anchor with a heavy inverted mushroom shaped head. Mushroom anchors are used to anchor in mud and other soft ground.

A place suitable for anchoring in relation to the wind, seas and bottom.

An international goods classification system for describing cargo in international trade under a single commodity-coding scheme. Developed under the auspices of the Customs Cooperations Council (CCC), an international Customs organization in Brussels, thi ...

International data interchange standards sponsored by the United Nations. See UN/EDIFACT.

A thin, flexible wooden or plastic strip inserted into a pocket (batten pockets) on the back part (leech) of a sail to stiffen it and assist in keeping its form.

A rope used for towing or, mooring.

A movement of equipment from an origin rail ramp to a destination rail ramp only.

Reciprocating type compressor used mainly in oil and gas field applications. The compressor cylinders operate at low compression ratios and experience small temperature rise.

Is a measure of resistance to deformation, or reluctance to be squeezed out a bearing. Indicates the internal friction of a fluid. Viscosity in normal lubricants is reduced as temperature increases

Thread - Unified national coarse.

Holes cut in a plate to make it lighter and yet not reduce its strength.