plural of Dolph

A surname.

(colloquial, derogatory) An environmentalist who is considered to be too earnest.

An aquarium that houses dolphins.

plural of dolphinarium

plural of spotted dolphin

Atlantic spotted dolphin (Stenella frontalis) / pantropical spotted dolphin (Stenella attenuata)

(nautical) 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.

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

(Britain, of tuna or other seafood) caught using fishing nets that lessen the chances of killing dolphins.