Definition of "caput" [ca•put]

• The head; also, a knoblike protuberance or capitulum. (noun)
• The top or superior part of a thing. (noun)
• The council or ruling body of the University of Cambridge prior to the constitution of 1856. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "In fact, the word capital comes from the Latin word caput, which means “head.”"
• "In fact, the word "capital" in the context of punishment was coined to describe execution by decapitation, derived from the Latin word caput, which means "head.""
• "I wonder if the technical singular “head” is related to Latin caput, as catel indirectly is, or is that just a weird coincidence?"