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A genus of spinose, plectognath fishes, having the teeth of each jaw united into a single beaklike plate. They are able to inflate the body by taking in air or water, and, hence, are called globefishes, swellfishes, etc. fishes, and sea hedgehogs.

A fish of the genus Diodon, or an allied genus.

A group of ganoid fishes, including the living genera Ceratodus and Lepidosiren, which present the closest approximation to the Amphibia. The air bladder acts as a lung, and the nostrils open inside the mouth. See Ceratodus, and Illustration in Appendix.

A sinker attached to a fishing line; also, a line having several branches, each with such a sinker, used in deep-sea fishing. [Local, U. S.]

Having two dorsal fins; -- said of certain fishes.

Applied to a form of egg cleavage seen in osseous fishes, which occurs only in a small disk that separates from the rest of the egg.

A division of acalephs or jellyfishes, including most of the large disklike species. -- Dis*coph"o*rous, a.

Not influenced by regard to personal interest or advantage; free from selfish motive; having no relation of interest or feeling; not biased or prejudiced; as, a disinterested decision or judge. The happiness of disinterested sacrifices. Channing.

Unfriendly to society; contracted; selfish; as, dissocial feelings.

One who, or that which, dives. Divers and fishers for pearls. Woodward.

A float to a fishing line. [Local, U. S.]

s' Commons. See under Commons. -- Doctor's stuff, physic, medicine. G. Eliot. -- Doctor fish (Zoöl.), any fish of the genus Acanthurus; the surgeon fish; -- so called from a sharp lancetlike spine on each side of the tail. Also called barber fish. See Surgeon fish.

Any shellfish which casts its shell, as a lobster. [Prov. Eng.]

A two-masted fishing vessel, used by the Dutch.

d like the head of an ax or hatchet, as some leaves, and also certain organs of some shellfish.

the United States in reckoning money values. Chop dollar. See under 9th Chop. -- Dollar fish (Zoöl.), a fish of the United States coast (Stromateus triacanthus), having a flat, roundish form and a bright silvery luster; -- called also butterfish, and Lafayette. See Butterfish. -- Trade dollar, a silver coin formerly…

A species of sunfish (Lepomis pallidus), common in the United States; -- called also blue sunfish, and copper-nosed bream.

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. See Coryphænoid.

A West Indian fish (Epinula magistralis), of the family Trichiuridæ. It is a long-bodied, voracious fish.

A canelike grass of southern Europe (Arundo Donax), used for fishing rods, etc.