Meaning of “metre” - Learner’s Dictionary

metre

noun UK US meter us uk /ˈmiːtər/
LENGTH [ C ] written abbreviation m

A2 a unit for measuring length, equal to 100 centimetres:

Our bedroom is five metres wide.
She finished third in the women's 400 metres (= running race).

More examples

POEMS [ C, U ]

a pattern of rhythm in poetry

(Definition of “metre” from the Cambridge Learner’s Dictionary © Cambridge University Press)