Definition of cog
1 : a tooth on the rim of a wheel or gear
2 : a subordinate but integral person or part
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Origin and Etymology of cog
Middle English cogge, of Scandinavian origin; akin to Swedish kugge cog
First Known Use: 13th century
Other Mechanical Engineering Terms
Origin and Etymology of cog
obsolete cog a trick
First Known Use: 1532
cog
Definition of cog
cogged
;cogging
transitive verb
: to connect (timbers, joists, etc.) by means of mortises and tenons
Origin and Etymology of cog
probably alteration of cock to cog
First Known Use: 1823
cog
Definition of cog
: a tenon on a beam or timber
1830
First Known Use of cog
1830
cog
Definition of cog
cognate
Other Language Terms
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See words that rhyme with cog Spanish Central: Translation of cog Nglish: Translation of cog for Spanish speakers Britannica English: Translation of cog for Arabic speakers Britannica.com: Encyclopedia article about cog
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