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 39+⁴⁷⁄₁₂₇ (approximately 39.37) imperial inches.
Meaning & usage
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 39+⁴⁷⁄₁₂₇ (approximately 39.37) imperial inches.
Where this word comes from
From French mètre, from Ancient Greek μέτρον (métron, “measure, rule, length, size, poetic metre”). Doublet of meter, metron, and mether.
Rhythm or measure. The rhythm or measure in language (especially verse).
Rhythm or measure. The rhythm or measure in musical composition.
Where this word comes from
From Old English, from Latin metrum, from Ancient Greek μέτρον (métron, “measure, rule, length, size, poetic metre”).
To put into metrical form.
Where this word comes from
From Old English, from Latin metrum, from Ancient Greek μέτρον (métron, “measure, rule, length, size, poetic metre”).
Alternative spelling of meter.
Where this word comes from
From French mètre, from Ancient Greek μέτρον (métron, “measure, rule, length, size, poetic metre”). Doublet of meter, metron, and mether.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.