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wei is a noun meaning "any of several imperial dynasties of China ruling from 220 to 265 and from 386 to 556". It carries one recorded sense.
any of several imperial dynasties of China ruling from 220 to 265 and from 386 to 556
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for wei come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.