The basic unit of length in the International System of Units (SI: Système International d'Unités), equal to the distance travelled by light in a vacuum in 1/299 792 458 seconds. The metre is equal to 39 47/127 (approximately 39.37) imperial inches.
To measure with a metering device.
To imprint a postage mark with a postage meter.
To regulate the flow of or to deliver in regulated amounts (usually of fluids but sometimes of other things such as anticipation or breath).