cog
noun
[ kɒɡ ]
• a wheel or bar with a series of projections on its edge, which transfers motion by engaging with projections on another wheel or bar.
• "the cogs and springs of a watch"
Origin:
Middle English: probably of Scandinavian origin and related to Swedish kugge and Norwegian kug .
cog
noun
• a broadly built medieval ship with a rounded prow and stern.
Origin:
Middle English: related to Middle Dutch kogge, Old French cogue .
cog
verb
• copy (someone else's work) illicitly or without acknowledgement.
• "he's away cogging his homework from Aggie's wee girl"
Origin:
mid 16th century (in senses ‘practise tricks in throwing dice’ and ‘cheat’): of unknown origin.
