Caput Portus
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In old English law
The head of a port. The town to which a port belongs, and which gives the denomination to the port, and is the head of it. Hale, de Jure Mar. pt.
2, c. 2; 4 Taunt. 660.