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Thor
thoracentesis
thoraces
thoracic
thoracic duct
thoraco-
thoracolumbar
thoracotomy
thorax
Thorazine
thoria
thorianite
thorite
thorium
thorium dioxide
thorium series
thorn
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thorax

tho·rax [ tháw ràks ] (plural tho·rax·es or tho·ra·ces [ thə ráy sz, tháwrə sz ])


noun 
Definition:
 
1. upper part of torso: the part of the human body between the neck and abdomen, enclosed by the ribs and containing the heart and lungs

2. upper part of animal's body: the area corresponding to the human thorax in other vertebrates

3. part between head and abdomen: the middle division of the body of an insect, crustacean, or arachnid

[14th century. Via Latin< Greek thōrax "chest, breastplate"]
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