Webster's Revised Unabridged Dictionary · 1913

Caput

Caput (kā"put) , noun

[Latin, the head.]

1.
(Anatomy) The head; also, a knoblike protuberance or capitulum.
2.
The top or superior part of a thing.
3.
(Eng.) The council or ruling body of the University of Cambridge prior to the constitution of 1856.
Your caputs and heads of colleges. — Lamb
Collocations (1)
Caput mortuum (Old Chemistry) , The residuum after distillation or sublimation; hence, worthless residue.