Caput

Part of speech: noun (n.)

1. The head; also, a knoblike protuberance or capitulum.

2. The top or superior part of a thing.

3. The council or ruling body of the University of Cambridge prior to the constitution of 1856. Your caputs and heads of colleges. Lamb. Caput mortuum (. Etym: [L., dead head.] (Old Chem.) The residuum after distillation or sublimation; hence, worthless residue.