Barnacle - Small marine growth which attaches itself to a vessel's hull in large numbers, often greatly retarding her speed.
Category: - Maritime

Barque - A vessel with three or more masts with square sails on the fore mast and fore and aft sails on the after mast. Generally in the range of 250 - 700 ton capacity.
Category: - Maritime

Base Layer - A GIS data layer of reference information, such as topography, road network, or streams, to which all other layers are referenced geometrically.
Category: - GIS

Battens - Long strips of wood used in the mold loft for fairing lines; also, wooden protective strips in cargo holds; see hatch battens.
Category: - Maritime

Beam - The width of the ship at its widest part;Also called breadth
Category: - Maritime

Bearing - A compass direction from one point to another
Category: - Maritime

Belay - To make secure
Category: - Maritime

Below - Below a deck or decks (corresponding to "downstairs" for the landlubbers.)
Category: - Maritime

Bend - To fasten; as, to bend on a rope
Category: - Maritime

Benefit - The degree to which effects are judged desirable
Category: - Risk