gearbox

Noun
US[geer-boks]/ˈɡɪrˌbɑks/2 syllables
Synonyms: gear boxgear case

Open English WordNet

Noun (1)

  1. the shell (metal casing) in which a train of gears is sealedSynonyms: gear boxgear caseType of shell, casePart of transmission, transmission systemParts transmission shaft
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onerousadjective

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Webster's Dictionary (1913)

gear′box′ noun

the metal casing in which a train of gears is sealed. Syn. — gear case.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: WordNet 1.5

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