English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

thorax

THAW-raks

Thorax (noun) means the part of the body between the neck and abdomen, containing the heart and lungs; also the cavity itself. Example: “X-rays of the thorax showed no sign of fluid around the lungs.”

noun
1
The part of the body between the neck and abdomen, containing the heart and lungs; also the cavity itself.
"X-rays of the thorax showed no sign of fluid around the lungs."
"A rib cage protects and supports the thorax."
2
The middle section of an insect's or arachnid's body, where the legs and wings attach.
"The beetle's wings were folded flat against its thorax."

How to use thorax

Learner’s notes

In plain EnglishThe chest region — in humans, the area holding the heart and lungs; in insects, the middle body segment.

Common pairings
thorax cavity insect thorax chest and thorax

Word forms

thoraces plural, thoraxes plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “thorax” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

X-rays of the _____ showed no sign of fluid around the lungs.

Etymology

From Latin thorax, itself from Greek thōrax, meaning "breastplate" — the body part was named after the armor that covers it.

Origin: Latin

Related words

Rhymes for thorax

See all rhymes for thorax →

Frequently asked questions

What does “thorax” mean?

The word “thorax” means the part of the body between the neck and abdomen, containing the heart and lungs; also the cavity itself. In plain terms, the chest region — in humans, the area holding the heart and lungs; in insects, the middle body segment.

How do you pronounce “thorax”?

“Thorax” is pronounced THAW-raks (/ˈθɔɹæks/ in IPA).

How do you use “thorax” in a sentence?

Here is “thorax” used in a sentence: “X-rays of the thorax showed no sign of fluid around the lungs.”

What part of speech is “thorax”?

“Thorax” is a noun.

Where does the word “thorax” come from?

The word “thorax” comes from Latin. From Latin thorax, itself from Greek thōrax, meaning "breastplate" — the body part was named after the armor that covers it.

How many meanings does “thorax” have?

“Thorax” has 2 distinct senses listed in this dictionary. The most common is: the part of the body between the neck and abdomen, containing the heart and lungs; also the cavity itself.

Featured in

People also searched

Definitions: FreeDict original editorial