meter

noun

1.
the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
Derived from:
metric metrical
Exemplifies:
American spelling
2.
any of various measuring instruments for measuring a quantity
Derived from:
meter
3.
(prosody) the accent in a metrical foot of verse
Derived from:
metrical
Exemplifies:
American spelling
4.
rhythm as given by division into parts of equal duration
Derived from:
metric
Exemplifies:
American spelling