Relating to or located in the thorax, the part of the body between the neck and abdomen containing the chest cavity.
From Greek 'thorax' meaning 'breastplate, chest,' originally referring to body armor. The medical term entered English in the 17th century as anatomical knowledge expanded, maintaining the metaphor of the chest as protective armor for vital organs.
The ancient Greeks saw the chest as nature's armor protecting the heart and lungs, and this military metaphor persists in medical terminology. Interestingly, the thoracic cavity's rigid protection contrasts with the flexible abdominal cavity below, reflecting different evolutionary solutions for organ protection.
Complete word intelligence in one call. Free tier — 50 lookups/day.