preflight.
Taking place before the start of a flight.
Meaning & usage
Taking place before the start of a flight.
Serving to confirm that requests can be accepted, before sending an actual request.
a CORS preflight request
Where this word comes from
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *plew- Proto-Indo-European *plewk- Proto-Indo-European *-eti Proto-Indo-European *pléwketi Proto-Germanic *fleuganą Proto-West Germanic *fleugan Proto-Indo-European *-tis Proto-Germanic *-þiz Proto-West Germanic *-þi Proto-West Germanic *fluhti Old English flyht Middle English flight English flight English preflight From pre- + flight.
An inspection of an aircraft before the start of a flight.
The portion of the movement after launching from the springboard but before pushing off the vault.
Where this word comes from
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *plew- Proto-Indo-European *plewk- Proto-Indo-European *-eti Proto-Indo-European *pléwketi Proto-Germanic *fleuganą Proto-West Germanic *fleugan Proto-Indo-European *-tis Proto-Germanic *-þiz Proto-West Germanic *-þi Proto-West Germanic *fluhti Old English flyht Middle English flight English flight English preflight From pre- + flight.
To perform an inspection of an aircraft before the start of a flight.
Where this word comes from
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *plew- Proto-Indo-European *plewk- Proto-Indo-European *-eti Proto-Indo-European *pléwketi Proto-Germanic *fleuganą Proto-West Germanic *fleugan Proto-Indo-European *-tis Proto-Germanic *-þiz Proto-West Germanic *-þi Proto-West Germanic *fluhti Old English flyht Middle English flight English flight English preflight From pre- + flight.
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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.