A cent is a unit of currency, specifically the smallest denomination of the United States dollar. The term 'a cent' can also refer to other currencies, such as the euro cent or the Canadian cent. The crossword solutions for the term 'a cent' are MILL and UNUM. MILL is an abbreviation for the Latin phrase 'millesimum, ' which means 'THOUSANDTH, ' and UNUM is an abbreviation for the Latin phrase 'unus, ' which means 'ONE.' Therefore, MILL and UNUM together represent the fractional value of ONE cent.