To make an accurate measurement of the speed of a projectile.
A device which marks or records time or time intervals.
A combination of a watch and a stopwatch.
To measure with a metering device.
To regulate the flow of or to deliver in regulated amounts (usually of fluids but sometimes of other things such as anticipation or breath).
To imprint a postage mark with a postage meter.
The base unit of length in the International System of Units (SI), conceived as 1/10,000,000 of the distance from the North Pole to the Equator, and now defined as the distance light will travel in a vacuum in 1/299,792,458 seconds.
A parking meter or similar device for collecting payment.
A line above or below a hanging net, to which the net is attached in order to strengthen it.
The overall rhythm of a song or poem; particularly, the number of beats in a measure or syllables in a line.