Meter refers to a device designed to measure and sometimes record the quantity, duration, or rate of something.
Common examples include:
The term also applies to specialized measuring devices such as postage meters, which print or mark postage directly on mail items. In this extended sense, meter can refer not only to the device but also to the imprint or marking it produces.
“Postage meter; also: a marking produced by such a device.”
Author’s Summary: The word “meter” describes an instrument that measures or records specific quantities, with uses ranging from parking and gas meters to postage-marking machines.