taximeter
/ˈtæksɪˌmiːtə(r)/noun
- a device used in taxis that automatically records the distance travelled and the fare payable（出租车上的）自动计费器, 计价器。
词源
late 19th cent.: from French taximètre, from taxe 'tariff'， from the verb taxer 'to tax' + -mètre '(instrument) measuring'.