Shark vs. Dolphin

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the rays.

Dolphin is the common name of aquatic mammals within the infraorder Cetacea. The term dolphin usually refers to the extant families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), named Iniidae (the New World river dolphins), and Pontoporiidae (the brackish dolphins), and the extinct Lipotidae (baiji or Chinese river dolphin).

Any of numerous cartilaginous fishes of the subclass Elasmobranchii that are chiefly carnivorous and marine. Sharks have a streamlined torpedolike body, five to seven gill openings on each side of the head, a large oil-filled liver, and tough skin covered with small toothlike scales.

Any of various marine toothed whales of the family Delphinidae, having a beaklike snout, a curved dorsal fin, and a slender streamlined body.

(Informal)A person, such as a loan shark, who takes advantage of the misfortune of others for personal gain.

Any of several toothed whales inhabiting rivers and estuaries in South America and South Asia, having a long narrow beak, broad flippers, a flexible neck, and usually a reduced dorsal fin. A species native to the Yangtze River is thought to be extinct. Also called river dolphin.

(Informal)A person unusually skilled in a particular activity

See dolphinfish.

To obtain by deceitful or underhand means.

See pompano dolphinfish.

To take advantage of others for personal gain, especially by fraud and trickery.

A buoy, pile, or group of piles used for mooring boats.

(ichthyology) A scaleless, predatory fish of the superorder Selachimorpha, with a cartilaginous skeleton and 5 to 7 gill slits on each side of its head.

A group of piles used as a fender, as at a dock or around a bridge pier.

The noctuid moth Cucullia umbratica.

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

A university student who is not a fresher that has engaged in sexual activity with a fresher; usually habitually and with multiple people.

Tursiops truncatus, (Atlantic bottlenose dolphin) the most well-known species.

Someone who exploits others, for example by trickery, lies, usury, extortion.

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 sleazy and amoral lawyer.

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

An ambulance chaser.

The dauphin, eldest son of the kings of France.

(informal) A relentless and resolute person or group, especially in business.

(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.

(informal) A very good poker or pool player. Compare fish (a bad poker player).

(nautical) A kind of wreath or strap of plaited cordage.

A person who feigns ineptitude to win money from others.

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

(rare) To fish for sharks.

(nautical) A mooring post on a wharf or beach.

Of a university student who is not a fresher, to engage in sexual activity with a fresher, or to be at a bar or club with the general intention of engaging in such activity.

(nautical) A permanent fender designed to protect a heavy boat or coastal structure from the impact of large floating objects such as ice or floating logs.

(obsolete) To steal or obtain through fraud.

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

To play the petty thief; to practice fraud or trickery; to swindle.

(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.

To live by shifts and stratagems.

A cetacean of the genus Delphinus and allied genera (esp. Delphinus delphis); the true dolphin.

(obsolete) To pick or gather indiscriminately or covertly.

The Coryphæna hippuris, a fish of about five feet in length, celebrated for its surprising changes of color when dying. It is the fish commonly known as the dolphin. The term is also applied to the related Coryphaena equisetis. Called also dolphinfish and (especially in Hawaii) mahimahi. See also dolphinfish and Coryphænoid.

Any one of numerous species of elasmobranch fishes of the order Plagiostomi, found in all seas.

A mass of iron or lead hung from the yardarm, in readiness to be dropped on the deck of an enemy's vessel.

A rapacious, artful person; a sharper.

A kind of wreath or strap of plaited cordage.

Trickery; fraud; petty rapine; as, to live upon the shark.

In old ordnance, one of the handles above the trunnions by which a cannon was lifted.

To pick or gather indiscriminately or covertly.

large slender food and game fish widely distributed in warm seas (especially around Hawaii)

To play the petty thief; to practice fraud or trickery; to swindle.

any of various small toothed whales with a beaklike snout; larger than porpoises

To live by shifts and stratagems.

any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales

a person who is ruthless and greedy and dishonest

a person who is unusually skilled in certain ways;

play the shark; act with trickery

hunt shark