gunwale— The upper edge of the side of a ship or a boat. 



harbormaster— The officer who executes the regulations respecting the use of a harbor. 



harbor service— The action taken and facilities provided by the harbor administration for the 

 benefit and protection of the harbor patrons. 



head— A toilet in a boat or a ship. 



head walk— The main walkway on a multisUp pier. Usually more substantial structurally 

 than finger piers; supports the utiUty Unes and may support the hghting system, 

 firefighting equipment, and locker boxes. 



heave— The rhythmic vertical displacements of an entire craft due to sea, swell, or boat 

 waves. 



impact statement— A report on the expected effects or influence any development will have 

 on its environment. 



interstices— The internal spaces or voids in a rubble-mound structure. 



jetty— (1) (U.S. usage) On open seacoasts, a structure extending into a body of water, and 

 designed to prevent shoaling of a channel by littoral materials, and to direct and confine 

 the stream or tidal flow. Jetties are buUt at the mouth of a river or tidal inlet to help 

 maintain and .stabihze a channel. (2) (British usage) Jetty is synonymous with wharf or 

 pier. 



king piles— The primary structural pile members that carry or support the panels, shearing, 

 or sheet piles of a diaphragm breakwater or bulkhead. 



land access— Means provided for reaching any facility in the water from shore. 



marina— A small-craft harbor complex that includes most or all of the support and ancillary 

 facilities needed or desired by boatmen, such as launching equipment, repair facility, a 

 fueUng station, restrooms, marine hardware supply, and restaurants. This term is used to 

 describe harbors that are intended primarily for recreational craft. 



operational launching— Boat launching on a routine in-and-out basis at the boater's option, 

 as distinguished from initial or seasonal launching. 



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