demurrage
noun [ U ] uk/dɪˈmʌr.ɪdʒ/ us/dɪˈmɝː.ɪdʒ/
law, sailing specialized（包船等的）逾期使用费;（货物等的）滞期保管费
money that must be paid when a chartered (= rented) ship is used for longer than agreed, or when goods are collected later than the agreed time after being taken off a chartered ship