Definition of "Meter" :

noun: any of various measuring instruments for measuring a quantity

noun: rhythm as given by division into parts of equal duration

noun: (prosody) the accent in a metrical foot of verse

noun: the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)

verb: measure with a meter

"Meter the flow of water."

verb: stamp with a meter indicating the postage

"Meter the mail."