Wooden shoulders attached below the masthead to either side of a wooden mast which originally supported the trestle trees.

A group of whales.

A knot used to fasten a line or cable to the anchor.

Maintenance performed after a machine has failed to return it to an operating state.

Specialty compressed air treatment meeting OSHA Grade D breathing air requirements.

A synthetic rubber frequently used for vessel and liquid filter element gasket.

A trailer or semi-trailer with no sides and with the floor of the unit close to the ground.

Said of a boat which turns end over end in very rough seas.

A large body of water taken aboard (ship a sea).

Removal of a shipment from a vessel.

To mark a course on a chart.

A business firm which sells its services to organizations which operate vessels

A metal fitting on the mast that the stays attached to the mast; a fitting on the mast for securing rigging.

a filter medium that retains contaminants primarily within tortuous passages.

An order to make haste.

In spray painting applications, spray equipment which delivers material at a low pressure of no more than 10 PSI (at the air cap), however, with greater volume of air.

In a square rigged ship, the act of hauling the head sheets to windward and laying the head-yards flat aback in order to bring the ships head out of the wind while tacking. This is done when helm action alone is insufficient.

The frames or timbers of a ship as they rise from the keel to form the shape of the hull.

Seaman's name for a reef knot tied upside down. also called a "granny" knot.

A white navigation light carried by vessels under way at night to indicate their presence and give an indication of their course.