English

An adjective meaning relating to navigation or shipping; relating to or connected with the sea; used, or adopted for use at sea. Sometimes called maritime, but maritime is more frequently applied to that which borders on the sea.

Any marine invertebrate that excavates tunnels, holes, or depres­sions in one or more of a variety of materials by abrasive, chewing, or chemical action.

(U.S. marine sanctuary). An officially designated area in which there may be restrictions on entry, fishing, anchoring, and other activities in order to protect the marine environment.

A track, cradle, and winding mechanism for hauling vessels out of the water so that the hull can be exposed as in a dry dock. This is also called a patent slip in British terminology.

Navigational and me­teo­rological warnings, meteorological forecasts, distress al­erts and other urgent safety related messages broadcast to ships.

One of the bits of leather, cloth, etc. indicat­ing a specified length of a LEAD LINE. A charted conspicuous object, structure, or LIGHT serving as an indicator for guidance or warning of a craft; a BEACON. A definite object ,such as an imprinted metal disk, used to designate a survey point and sometimes refers to the entire survey monument. Mark is used with a qualify­ing term such as station, reference, azimuth, or bench. See also BENCH MARK and REFERENCE MARK.