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Pertaining to, or involving, taxonomy, or the laws and principles of classification; classificatory.

That division of the natural sciences which treats of the classification of animals and plants; the laws or principles of classification.

to instruct; to inform; to conduct through a course of studies; as, to teach a child or a class. "He taught his disciples." Mark ix. 31. The village master taught his little school. Goldsmith.

A subclass of fishes including all the ordinary bony fishes as distinguished from the ganoids.

One of a class of theologians who maintain that God has fixed a certain term for the probation of individual persons, during which period, and no longer, they have the offer to grace. Murdock.

A Linnæan class of plants having six stamens, four of which are longer than the others.

A Linnæan class of plants having four stamens.

Belonging to the class Tetrandria.

A volume, as of some classical author, on which a teacher lectures or comments; hence, any manual of instruction; a schoolbook.

Bearing the stamens directly on the receptacle; -- said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle.

One of a large class or division of the vegetable kingdom, which includes those flowerless plants, such as fungi, algæ, and lichens, that consist of a thallus only, composed of cellular tissue, or of a congeries of cells, or even of separate cells, and never show a distinction into root, stem, and leaf.…

ection contrary to the twist of the singles themselves; -- sometimes applied to the whole class of operations by which silk is prepared for the weaver. Tomlinson. To throw away. (a) To lose by neglect or folly; to spend in vain; to bestow without a compensation; as, to throw away time; to throw away money. (b) To rejec…

; the most honorable position; the utmost attainable place; as, to be at the top of one's class, or at the top of the school. And wears upon hisbaby brow the round And top of sovereignty. Shak.

Any of a class of toxic substances of protein nature; a toxin.

ss of linen or woolen, that hangs down over the shoulders, worn by old women of the lower classes; -- called also toy mutch. [Scot.] "Having, moreover, put on her clean toy, rokelay, and scarlet plaid." Sir W. Scott.

r of parasitic worms. They are found in the internal cavities of animals belonging to all classes. Many species are found, also, on the gills and skin of fishes. A few species are parasitic on man, and some, of which the fluke is the most important, are injurious parasites of domestic animals. The trematodes usually ha…

A Linnæan class of plants having three distinct and equal stamens.

A division, class, or distinct portion of a people, from whatever cause that distinction may have originated; as, the city of Athens was divided into ten tribes.

A three-pronged spear or goad, used for urging horses; also, the weapon used by one class of gladiators.

The third order of the Linnæan class Polygamia.