longitude.
Angular distance measured west or east of the prime meridian.
Meaning & usage
Angular distance measured west or east of the prime meridian.
Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.
Length.
Where this word comes from
From Middle English, borrowed from Old French longitude, from Latin longitūdō (“length, a measured length”), from longus (“long”).
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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.