uplock.
A mechanism that secures an aircraft's landing gear in the retracted position, helping to prevent an uncommanded gear deployment during flight.
Meaning & usage
A mechanism that secures an aircraft's landing gear in the retracted position, helping to prevent an uncommanded gear deployment during flight.
Where this word comes from
Etymology tree English up- Proto-Indo-European *lewg-der. Proto-Germanic *luką Proto-West Germanic *lok Old English loc Middle English lok English lock English uplock From up- + lock.
To lock up.
Where this word comes from
Etymology tree English up- Proto-Indo-European *lewg-der. Proto-Germanic *luką Proto-West Germanic *lok Old English loc Middle English lok English lock English uplock From up- + lock.
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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.