Definition of organ

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Organ (n.) A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole; as, the heart, lungs, etc., are organs of animals; the root, stem, foliage, etc., are organs of plants..

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Katydid :: Katydid (n.) A large, green, arboreal, orthopterous insect (Cyrtophyllus concavus) of the family Locustidae, common in the United States. The males have stridulating organs at the bases of the front wings. During the summer and autumn, in the evening, the males make a peculiar, loud, shrill sound, resembling the combination Katy-did, whence the name..
Functional :: Functional (a.) Pertaining to the function of an organ or part, or to the functions in general..
Dipneumona :: Dipneumona (n. pl.) A group of spiders having only two lunglike organs.
Member :: Member (n.) A part of an animal capable of performing a distinct office; an organ; a limb.
Organ :: Organ (n.) A wind instrument containing numerous pipes of various dimensions and kinds, which are filled with wind from a bellows, and played upon by means of keys similar to those of a piano, and sometimes by foot keys or pedals; -- formerly used in the plural, each pipe being considired an organ..
Savor :: Savor (a.) That property of a thing which affects the organs of taste or smell; taste and odor; flavor; relish; scent; as, the savor of an orange or a rose; an ill savor..
Acephalocyst :: Acephalocyst (n.) A larval entozoon in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin..
Echinococcus :: Echinococcus (n.) A parasite of man and of many domestic and wild animals, forming compound cysts or tumors (called hydatid cysts) in various organs, but especially in the liver and lungs, which often cause death. It is the larval stage of the Taenia echinococcus, a small tapeworm peculiar to the dog..
Kuklux :: Kuklux (n.) The name adopted in the southern part of the United States by a secret political organization, active for several years after the close of the Civil War, and having for its aim the repression of the political power of the freedmen; -- called also Kuklux Klan..
Stimulant :: Stimulant (a.) Produced increased vital action in the organism, or in any of its parts..
Atony :: Atony (n.) Want of tone; weakness of the system, or of any organ, especially of such as are contractile..
Hemimellitic :: Hemimellitic (a.) Having half as many (three) carboxyl radicals as mellitic acid; -- said of an organic acid.
Velum :: Velum (n.) A veil-like organ or part.
Stroma :: Stroma (n.) The connective tissue or supporting framework of an organ; as, the stroma of the kidney..
Action :: Action (n.) Any one of the active processes going on in an organism; the performance of a function; as, the action of the heart, the muscles, or the gastric juice..
Eozoon :: Eozoon (n.) A peculiar structure found in the Archaean limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure..
Neuter :: Neuter (n.) An organism, either vegetable or animal, which at its maturity has no generative organs, or but imperfectly developed ones, as a plant without stamens or pistils, as the garden Hydrangea; esp., one of the imperfectly developed females of certain social insects, as of the ant and the common honeybee, which perform the labors of the community, and are called workers..
Phonorganon :: Phonorganon (n.) A speaking machine.
Pistil :: Pistil (n.) The seed-bearing organ of a flower. It consists of an ovary, containing the ovules or rudimentary seeds, and a stigma, which is commonly raised on an elongated portion called a style. When composed of one carpel a pistil is simple; when composed of several, it is compound. See Illust. of Flower, and Ovary..
Machine :: Machine (n.) A political organization arranged and controlled by one or more leaders for selfish, private or partisan ends..
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