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thorax

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thorax

Main Entry:: tho·rax
Pronunciation:: \ˈthȯr-ˌaks\
Function:: noun
Inflected Form(s):: plural tho·rax·es or tho·ra·ces \ˈthȯr-ə-ˌsēz\
Etymology:: Middle English, from Latin thorac-, thorax breastplate, thorax, from Greek thōrak-, thōrax
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 lie2: the middle of the three chief divisions of the body of an insect ; also : the corresponding part of a crustacean or an arachnid

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