dolphins

A carnivorous aquatic mammal in one of several families of order Cetacea, famed for its intelligence and occasional willingness to approach humans.

A fish, the mahi-mahi or dorado, Coryphaena hippurus, with a dorsal fin that runs the length of the body, also known for iridescent coloration.

A depiction of a fish, with a broad indented fin, usually embowed.

The dauphin, eldest son of the kings of France.

(history) A mass of iron or lead hung from the yardarm, in readiness to be dropped through the deck and the hull of an enemy's vessel to sink it.

A kind of wreath or strap of plaited cordage.

A spar or buoy held by an anchor and furnished with a ring to which ships may fasten their cables.

A mooring post on a wharf or beach.

A permanent fender around a heavy boat just below the gunwale.

One of the handles above the trunnions by which a gun was lifted.

A man-made semi submerged maritime structure, usually installed to provide a fixed structure for temporary mooring, to prevent ships from drifting to shallow water or to serve as base for navigational aids.