American English

Definition of archaism noun from the Oxford Advanced American Dictionary

 

archaism

 noun
noun
NAmE//ˈɑrkiˌɪzəm//
 
, NAmE//‑keɪ‑//
 
(technology)
 
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a very old word or phrase that is not used anymore
See the Oxford Advanced Learner's Dictionary entry: archaism