Adjacent Words

Thorax definitions

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Webster's 1828 Dictionary

THO'RAX, n. [L.] In anatomy, that part of the human skeleton which consists of the bones of the chest; also, the cavity of the chest.

WordNet (r) 3.0 (2005)

n
1: the middle region of the body of an arthropod between the head and the abdomen
2: the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates [syn: thorax, chest, pectus]
3: part of an insect's body that bears the wings and legs

Merriam Webster's

noun (plural thoraxes or thoraces) Etymology: Middle English, from Latin thorac-, thorax breastplate, thorax, from Greek th?rak-, th?rax Date: 15th century 1. the part of the mammalian body between the neck and the abdomen; also its cavity in which the heart and lungs lie 2. the middle of the three chief divisions of the body of an insect; also the corresponding part of a crustacean or an arachnid

Oxford Reference Dictionary

n. (pl. thoraces or thoraxes) 1 Anat. & Zool. the part of the trunk between the neck and the abdomen. 2 Gk Antiq. a breastplate or cuirass. Derivatives: thoracal adj. thoracic adj. Etymology: L f. Gk thorax -akos

Webster's 1913 Dictionary

Thorax Tho"rax, n. [L., fr. Gr. ?.] 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 vertebr[ae], the ribs, and the sternum, and which the heart and lungs are situated; the chest. Note: 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. 2. (Zo["o]l.) (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. 3. (Antiq.) A breastplate, cuirass, or corselet; especially, the breastplate worn by the ancient Greeks.

Collin's Cobuild Dictionary

(thoraxes, or thoraces) 1. Your thorax is the part of your body between your neck and your waist. (MEDICAL) N-COUNT: usu sing 2. An insect's thorax is the central part of its body to which the legs and wings are attached. (TECHNICAL) N-COUNT: usu sing

Soule's Dictionary of English Synonyms

n. 1. Chest, trunk (of the body). 2. Breast-plate, corselet, cuirass.

Moby Thesaurus

bag, boobs, bosom, breast, breasts, brisket, bust, chest, crop, dug, knockers, mama, mamelon, mamelonation, mammary gland, mammilla, mammillation, nenes, nipple, pap, papilla, pigeon breast, teat, tit, tits, titties, titty, udder