What does thoracic mean?
Thoracic is an adjective meaning relating to the thorax, or the chest region of the body. It is especially common in medical and anatomical contexts, where it describes the thoracic cavity, thoracic vertebrae, thoracic spine, thoracic organs, or procedures involving the chest. The term can therefore identify both a location, as in “thoracic pain,” and a field of medicine or surgery, as in “thoracic surgery.” Its vocabulary is formal and specialized rather than part of everyday casual speech, although it is widely understood by readers of medical, scientific, and health-related material. The word is useful because it precisely identifies the part of the body between the neck and abdomen, often distinguishing structures or conditions from those in the abdominal, pelvic, or cervical regions. Its Greek ancestor, thorax, originally referred to a breastplate or chest covering, giving the modern word a memorable connection with armor and the protected central part of the body.
adjectiveRelating to or situated in the thorax, the part of the body between the neck and abdomen, including the chest and upper spine.
- Relating to the thorax or chest region of the body.
"The scan revealed a small lesion in the thoracic spine."
"The surgeon specialized in thoracic surgery."
"Thoracic vertebrae form the middle section of the spine."
Thoracic means “of the chest,” and its Greek ancestor, thorax, originally referred to a breastplate or chest covering.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does thoracic come from?
Thoracic comes through Latin from Greek thōrax, a word associated with the chest and originally referring to a breastplate. Latin formed the adjective thoracicus from this root, and English later adopted it in anatomical and medical usage. Related English words include thorax, thoracal, thoracotomy, and thoracentesis, all developed from the same Greek root.
Related word forms
How thoracic is actually used
Primarily a formal and technical term used in anatomy, medicine, biology, and related fields. The variant thoracal is less common.
Easily confused with thoracic
Thorax is the anatomical region itself, whereas thoracic is the adjective describing something related to that region.