In the civll law. A calendar; n book of accounts, memorandum-hook, or debt-hook; a book in which accounts were kept of moneys loaned out on lnterest. Dlg. 32, 64. So called because the Romans used to let out thelr money and receive the interest on the calends of each month. Cal-vln
Source: Black’s Law Dictionary 2nd Ed (1910)
