noun

• (anatomy) The head.
• (anatomy) A knob-like protuberance or capitulum.
• The top or superior part of a thing.
• (UK) The council or ruling body of the University of Cambridge prior to the constitution of 1856.
• (medicine, colloquial) Ellipsis of caput succedaneum. [A neonatal condition involving a serosanguinous, subcutaneous, extraperiosteal fluid collection with poorly defined margins caused by the pressure of the presenting part of the scalp against the dilating cervix during delivery.]