Nautical name for an argumentative person.

A seaman who is prone to argue, especially against recognized authority (big mouth).

The average level of the oceans, used when finding water depths or land elevations.

This is the average level of the ocean over the entire earth., tidal fluctuation is taken into account when determining sea level.

The atmospheric pressure at mean sea level either directly measured by stations at sea level or empirically determined from the station pressure and temperature by stations not at sea level. Used as a common reference for analyses of surface pressure patt ...

A line leading from forward on the ship and secured to a forward inboard thwart of the boat in such a way as to permit quick release.

Same as marine rainbow.

Vapour rising like steam or smoke from the sea caused by very cold air blowing over it.

A thermometer designed for use in measuring the temperature of sea water. One form consists of a mercury-in-glass thermometer protected by a perforated metal case. Another form consists of a mercury-in-glass thermometer surrounded by a metal case which fo ...

Document indicating the goods were loaded onboard when a document of title (b/L) is not needed. Typically used when a company is shipping goods to itself.

Ocean vessels constructed with heavy-duty submersible hydraulic lift or elevator system at the stern of the vessel. The Sea-Bee system facilitates forward transfer and positioning of barges. Sea-Bee barges are larger than LASH barges. The Sea-Bee system i ...

A soft, cylindrical fabric bag for clothes and personal possessions

A through hull valve, a shut off on a plumbing or drain pipe between the vessel and the sea

One who earns his living by service at sea.

Surface on which the bearing seal rides in an oil lubricated tailshaft bearing.

A heating system that uses only outside air for combustion and vents combustion gases directly to the outdoors. These systems are less likely to backdraft and to negatively affect indoor air quality.

Devices used between rotating and stationary parts to separate, and minimized leakage between, areas of unequal pressures.

On vessels constructed of wood, the narrow gap between the planks which form the decks and sides and were caulked to make them watertight. Since wood swells when it's in contact with water, a narrow seam is necessary to allow for the expansion.

In a manner, or fashion, befitting a seaman.

An obsolete historical term usually applied to stress-corrosion crackling of brass.