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Branchiopoda :: Branchiopoda (n. pl.) An order of Entomostraca; -- so named from the feet of branchiopods having been supposed to perform the function of gills. It includes the fresh-water genera Branchipus, Apus, and Limnadia, and the genus Artemia found in salt lakes. It is also called Phyllopoda. See Phyllopoda, Cladocera. It is sometimes used in a broader sense..

Curacao :: Curacao (n.) Alt. of Curaco.

Raca :: Raca (a.) A term of reproach used by the Jews of our Savior's time, meaning worthless..

Aracanese :: Aracanese (n. sing. & pl.) A native or natives of Aracan.

Gyracanthus :: Gyracanthus (n.) A genus of fossil fishes, found in Devonian and carboniferous strata; -- so named from their round, sculptured spines..

Ostracoidea :: Ostracoidea (n. pl.) An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about..

Malacostracan :: Malacostracan (n.) One of the Malacostraca.

Pectostraca :: Pectostraca (n. pl.) A degenerate order of Crustacea, including the Rhizocephala and Cirripedia..

Arthrostraca :: Arthrostraca (n. pl.) One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda..

Abracadabra :: Abracadabra (n.) A mystical word or collocation of letters written as in the figure. Worn on an amulet it was supposed to ward off fever. At present the word is used chiefly in jest to denote something without meaning; jargon.

Racahout :: Racahout (n.) A preparation from acorns used by the Arabs as a substitute for chocolate, and also as a beverage for invalids..

Dracanth :: Dracanth (n.) A kind of gum; -- called also gum tragacanth, or tragacanth. See Tragacanth..

Amphipoda :: Amphipoda (n. pl.) A numerous group of fourteen -- footed Crustacea, inhabiting both fresh and salt water. The body is usually compressed laterally, and the anterior pairs or legs are directed downward and forward, but the posterior legs are usually turned upward and backward. The beach flea is an example. See Tetradecapoda and Arthrostraca..

Malacostraca :: Malacostraca (n. pl.) A subclass of Crustacea, including Arthrostraca and Thoracostraca, or all those higher than the Entomostraca..

Pyracanth :: Pyracanth (n.) The evergreen thorn (Crataegus Pyracantha), a shrub native of Europe..

Branchiura :: Branchiura (n. pl.) A group of Entomostraca, with suctorial mouths, including species parasitic on fishes, as the carp lice (Argulus)..

Rhizocephala :: Rhizocephala (n. pl.) A division of Pectostraca including saclike parasites of Crustacea. They adhere by rootlike extensions of the head. See Illusration in Appendix.

Cyclops :: Cyclops (n. sing. & pl.) A genus of minute Entomostraca, found both in fresh and salt water. See Copepoda..

Jararaca :: "Jararaca (n.) A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish color, variegated with red and black spots..

Arthromere :: Arthromere (n.) One of the body segments of Arthropods. See Arthrostraca.

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