1. (n.) A partition in a vessel, to separate apartments on the same deck.

2. (n.) A structure of wood or stone, to resist the pressure of earth or water; a partition wall or structure, as in a mine; the limiting wall along a water front.

French door anchorage anchorage ground arch dam archway back door backstop bamboo curtain bank bar barrage barrier barway basin bear-trap dam beaver dam berth boom brattice breakwater breastwork brick wall buffer buffer state bulwark bumper carriage entrance cellar door cellarway cloison cofferdam collision mat cushion dam defense diaphragm dike dissepiment ditch dividing line dividing wall division dock dockage dockyard door doorjamb doorpost doorway dry dock earthwork embankment fence fender front door gate gatepost gateway gravity dam groin harbor harborage hatch hatchway haven hydraulic-fill dam interseptum iron curtain jam jetty jutty landing landing place landing stage leaping weir levee lintel logjam marina mat midriff midsection milldam moat mole moorings mound pad panel parapet paries partition party wall pier porch port portal portcullis porte cochere postern property line propylaeum protected anchorage pylon quay rampart road roadblock roads roadstead rock-fill dam scuttle seaport seawall separation septulum septum shipyard shock pad shutter dam side door slip stile stone wall storm door threshold tollgate trap trap door turnpike turnstile wall weir wharf wicket dam work