/ Dictionary / Index W Wei: Meaning and Definition of Find definitions for: Wei Pronunciation: (wā), [key] any of several dynasties that ruled in North China, esp. one rulinga.d.220–265 and one ruling a.d.386–534. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wei (Thesaurus) Wehrmacht Weichsel Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language