Definition of thorax
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
Recent Examples of thorax from the Web
French media reported the exploding container hit her thorax, causing cardiac arrest.
Authorities in Tachira said the second man killed was Luis Alviarez, 18, who died from a bullet wound in the thorax.
The leather seats were charcoal colored, with perforated gray piping on the seat and thorax bolsters, and perforated inserts.
Rawls suffered gunshot wounds to her head, upper arm and thorax area during the shooting.
The cartilage, especially around the thorax, begins to disappear.
Ms. Alaoui was shot in the leg and thorax while parked outside the cafe, Amnesty International said in a statement.
A beautiful sight marred by sliced thoraxes, blazing bullets and spurting gore.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thorax'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of thorax
Middle English, from Latin thorac-, thorax breastplate, thorax, from Greek thōrak-, thōrax
First Known Use: 15th centurySee Words from the same year
THORAX Defined for English Language Learners
Definition of thorax for English Language Learners
: the part of an animal's body between the neck and the waist
: the middle section of an insect's body
THORAX Defined for Kids
Definition of thorax for Students
1 : the part of the body of a mammal that lies between the neck and the abdomen and contains the heart and lungs
2 : the middle of the three main divisions of the body of an insect
Medical Definition of thorax
1: the part of the mammalian body that is situated between the neck and the abdomen and supported by the ribs, costal cartilages, and sternum; also : thoracic cavity
2: the middle of the three chief divisions of the body of an insect; also : the corresponding part of a crustacean or an arachnid
Seen and Heard
What made you want to look up thorax? Please tell us where you read or heard it (including the quote, if possible).