metre
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 (approximately 39.37) imperial inches.
Other meanings
Rhythm or measure.
The rhythm or measure in language (especially verse).
Word history
From Ancient Greek "μέτρον" (measure, rule, length, size, poetic metre).
Where this comes from
This definition is adapted from “metre” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.