a. Relating to the abdomen and the thorax, or chest. [ 1913 Webster ]

n. [ Cephalo- + thorax. ] (Zool.) The anterior portion of any one of the Arachnida and higher Crustacea, consisting of the united head and thorax. [ 1913 Webster ]

n. [ Endo- + thorax. ] (Zoöl.) An internal process of the sternal plates in the thorax of insects. [ 1913 Webster ]

n. the type genus of the Entomophthoraceae; fungi parasitic on insects.
Syn. -- genus Entomophthora. [ WordNet 1.5 ]

n. a natural family of mostly parasitic lower fungi that typically develop in the bodies of insects.
Syn. -- family Entomophthoraceae. [ WordNet 1.5 ]

n. an order of fungi coextensive with the family Entomophthoraceae.
Syn. -- order Entomophthorales. [ WordNet 1.5 ]

n. [ Ento- + thorax. ] (Zoöl.) See Endothorax. [ 1913 Webster ]

v. t. [ L. exauctoratus, p. p. of exauctorare to dismiss; ex out + auctorare to bind to something, to hire, fr. auctor. See Author. ] To deprive of authority or office; to depose; to discharge. [ Obs. ] [ 1913 Webster ]

Exauthorated for their unworthiness. Jer. Taylor. [ 1913 Webster ]

n. Deprivation of authority or dignity; degration. [ Obs. ] Jer. Taylor. [ 1913 Webster ]

n. Same as Hemothorax. [ 1913 Webster ]

n. [ NL. See Hemo-, and Thorax. ] (Med.) An effusion of blood into the cavity of the pleura. [ 1913 Webster ]

n. [ Hydro-, 1 + thorax. ] (Med.) An accumulation of serous fluid in the cavity of the chest. [ 1913 Webster ]

a. In the thorax. [ 1913 Webster ]

a. Within the thorax or chest. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the mesothorax. [ 1913 Webster ]

n. [ Meso- + thorax: cf. F. mésothorax. ] (Zool.) The middle segment of the thorax in insects. See Illust. of Coleoptera. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the metathorax. [ 1913 Webster ]

n. [ NL.: cf. F. métathorax. See Meta-, and Thorax. ] (Zool.) The last or posterior segment of the thorax in insects. See Illust. of Coleoptera. [ 1913 Webster ]

n. [ NL., fr. Gr. &unr_;, fr. &unr_; to be or become full. Cf. Pleonasm. ] 1. Overfullness; especially, excessive fullness of the blood vessels; repletion; that state of the blood vessels or of the system when the blood exceeds a healthy standard in quantity; hyperæmia; -- opposed to anæmia. [ 1913 Webster ]

2. State of being overfull; excess; superabundance. [ 1913 Webster ]

He labors under a plethora of wit and imagination. Jeffrey. [ 1913 Webster ]

n. [ Pneumato- + thorax. ] (Med.) See Pneumothorax. [ 1913 Webster ]

n. [ Gr. &unr_; air + E. thorax. ] (Med.) A condition in which air or other gas is present in the cavity of the chest; -- called also pneumatothorax. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the prothorax. [ 1913 Webster ]

n. [ Pref. pro- + thorax. ] (Zool.) The first or anterior segment of the thorax in insects. See Illusts. of Butterfly and Coleoptera. [ 1913 Webster ]

n. [ Gr. &unr_; pus + E. pneumothorax. ] (Med.) Accumulation of air, or other gas, and of pus, in the pleural cavity. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; thorax + &unr_; pricking, from &unr_; to prick, stab. ] (Surg.) The operation of puncturing the chest wall so as to let out liquids contained in the cavity of the chest. [ 1913 Webster ]

a. [ Cf. F. thoracique. ] (Anat.) Of or pertaining to the thorax, or chest. [ 1913 Webster ]

Thoracic duct (Anat.), the great trunk of the lymphatic vessels, situated on the ventral side of the vertebral column in the thorax and abdomen. See Illust. of Lacteal. [ 1913 Webster ]

n. [ Cf. F. thoracique. ] (Zool.) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins. [ 1913 Webster ]

‖n. pl. [ NL. ] (Zool.) A division of cirripeds including those which have six thoracic segments, usually bearing six pairs of cirri. The common barnacles are examples. [ 1913 Webster ]

n. (Physiol.) Same as Stethometer. [ 1913 Webster ]

n. [ Thorax + plasty. ] (Med.) A remodeling or reshaping of the thorax; especially, the operation of removing the ribs, so as to obliterate the pleural cavity in cases of empyema. [ 1913 Webster ]

‖n. pl. [ NL. See Thorax, and Ostracoid, a. ] (Zool.) An extensive division of Crustacea, having a dorsal shield or carapec&unr_; &unr_;&unr_;niting all, or nearly all, of the thoracic somites to the head. It includes the crabs, lobsters, shrimps, and similar species. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, thorax + &unr_; to cut. ] (Surg.) The operation of opening the pleural cavity by incision. [ 1913 Webster ]

a. [ L. torus a couch, bed. ] Of or pertaining to a bed. [ R. ] [ 1913 Webster ]

n. [ L., fr. Gr. &unr_;. ] 1. (Anat.) The part of the trunk between the neck and the abdomen, containing that part of the body cavity the walls of which are supported by the dorsal vertebrae, the ribs, and the sternum, and which the heart and lungs are situated; the chest. [ 1913 Webster ]

☞ In mammals the thoracic cavity is completely separated from the abdominal by the diaphragm, but in birds and many reptiles the separation is incomplete, while in other reptiles, and in amphibians and fishes, there is no marked separation and no true thorax. [ 1913 Webster ]

2. (Zool.) (a) The middle region of the body of an insect, or that region which bears the legs and wings. It is composed of three united somites, each of which is composed of several distinct parts. See Illust. in Appendix. and Illust. of Coleoptera. (b) The second, or middle, region of the body of a crustacean, arachnid, or other articulate animal. In the case of decapod Crustacea, some writers include under the term thorax only the three segments bearing the maxillipeds; others include also the five segments bearing the legs. See Illust. in Appendix. [ 1913 Webster ]

3. (Antiq.) A breastplate, cuirass, or corselet; especially, the breastplate worn by the ancient Greeks. [ 1913 Webster ]