Lat. In the civil law. Interest on money; the lending of money on interes. Founts nantienm. Nautical or maritime interest An extraordinary rate of interest agreed to be paid for the loan of money on the hazard of a voyage: sometimes called “usuro maritime.” Die. 22, 2; Code, 4, 33; 2 Bl. Comm. 458. The extraordinary rate of interest, proportioned to the risk, demanded by a person lending money on a ship, or on “bottomry,” as it is termed. The agreement for such a rate of interest is also called “Jamus onauticum.” (2 Bl. Comm. 458; 2 Steph. Comm. 93.) Mosley A Whitley. Founts nuolarium. Interest of one-twelfth, that is, interest amounting annually to one-twelfth of the principal, hence at. the rate of eight and one-third per cent per annum. This was the highest legal rate of interest in the early times of the Roman republic. See Mackeld. Rom. Law,