meter vs metre

meter and metre both are nouns.

Word	Noun	Adjective	Verb	Adverb
meter	Yes	No	Yes	No
metre	Yes	No	No	No

As nouns, meter and metre are synonyms defined as:

meter and metre: rhythm as given by division into parts of equal duration

Other synonyms of meter include time.

As nouns, meter and metre are synonyms defined as:

Other synonyms of meter include beat, cadence, measure.

As nouns, meter and metre are synonyms defined as:

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

Other synonyms of meter include m.

meter (noun)	metre (noun)
any of various measuring instruments for measuring a quantity	rhythm as given by division into parts of equal duration
rhythm as given by division into parts of equal duration	(prosody) the accent in a metrical foot of verse
(prosody) the accent in a metrical foot of verse	the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)

meter (verb)	metre (verb)
measure with a meter
stamp with a meter indicating the postage