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2. Dolphin (structure) - Wikipedia

   en.wikipedia.org/wiki/Dolphin_(structure)

   Dolphin (structure) Wood pilings grouped into a pair of dolphins serving as a protected entryway to a boat basin. A dolphin is a group of pilings arrayed together to serve variously as a protective hardpoint along a dock, in a waterway, or along a shore; as a means or point of stabilization of a dock, bridge, or similar structure; as a mooring ...

3. Fender (boating) - Wikipedia

   en.wikipedia.org/wiki/Fender_(boating)

   In boating, a fender is an air-filled ball or a device in other shape and material used to absorb the kinetic energy of a boat or vessel berthing against a jetty, quay wall or other vessel. [1] Fenders, used on all types of vessels, from cargo ships to cruise ships, ferries and personal yachts, prevent damage to vessels and berthing structures ...

4. Careening - Wikipedia

   en.wikipedia.org/wiki/Careening

   An Old Whaler Hove Down For Repairs, Near New Bedford, a wood engraving drawn by F. S. Cozzens and published in Harper's Weekly, December 1882. Careening (also known as "heaving down") is a method of gaining access to the hull of a sailing vessel without the use of a dry dock.

5. Breakwater (structure) - Wikipedia

   en.wikipedia.org/wiki/Breakwater_(structure)

   A breakwater is a permanent structure constructed at a coastal area to protect against tides, currents, waves, and storm surges. Breakwaters have been built since Antiquity to protect anchorages, helping isolate vessels from marine hazards such as wind-driven waves. [1] A breakwater, also known in some contexts as a jetty or a mole, may be ...

6. Tetrapod (structure) - Wikipedia

   en.wikipedia.org/wiki/Tetrapod_(structure)

   Tetrapod (structure) Tetrapods protecting a marina on Crete, Greece. A tetrapod is a form of wave-dissipating concrete block used to prevent erosion caused by weather and longshore drift, primarily to enforce coastal structures such as seawalls and breakwaters. Tetrapods are made of concrete, and use a tetrahedral shape to dissipate the force ...

7. Bollard - Wikipedia

   en.wikipedia.org/wiki/Bollard

   Merwede-Canal, Utrecht, Netherlands features bollards made from cannons. In the maritime contexts in which the term originates, a bollard is either a wooden or iron post found as a deck-fitting on a ship or boat, and used to secure ropes for towing, mooring and other purposes; or its counterpart on land, a short wooden, iron, or stone post on a quayside to which craft can be moored.