A plural form or proper noun; may refer to multiple people with the surname Cummins, or the famous Cummins diesel engine company.
Cummins as a surname derives from Middle English given name 'Cummin' (a variant of Cymen/cumin), with the possessive '-s' added to create a patronymic surname common in English naming traditions.
Cummins engines have become synonymous with diesel power, so much so that truck enthusiasts use 'Cummins' as a status symbol—it's one of those brand names that transcended its origins to become almost a generic term for quality diesel engines.
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