meter UK /ˈmiːtə/US [ˈmiɾɚ]noun 9verb 3forms 3phrases 1 noun9 •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.The measures of length above the metre are ten times ... greater than the metre. — 1797 •A device that measures things. •A parking meter or similar device for collecting payment. •Rhythm or measure. •The rhythm or measure in language (especially verse). •The rhythm or measure in musical composition. •(old-fashioned) One who metes or measures. •A line above or below a hanging net, to which the net is attached in order to strengthen it. •(no longer used) A poem. verb3 •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. formsmetered · metering · meters Phrases with meter feed the meterTo place coins into a parking meter or gas meter.