American English

Definition of dialect noun from the Oxford Advanced American Dictionary

 

dialect

 noun
noun
NAmE//ˈdaɪəˌlɛkt//
 
[countable, uncountable]
 
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the form of a language that is spoken in one area with grammar, words, and pronunciation that may be different from other forms of the same language a Southern dialect dialect words/expressions compare accent, idiolect
NAmE//ˌdaɪəˈlɛktl//
 
adjective There are dialectal differences from one area of the country to another.
See the Oxford Advanced Learner's Dictionary entry: dialect