西せい周しゅうせいしゅうMeanings1nounWestern Zhou dynastyhistorical termHistorical term referring to the Western Zhou period of ancient China (ca. 1046–771 BCE).See also: 周西せい周しゅう時じ代だいの青せい銅どう器きが発はっ掘くつされた。Bronze vessels from the Western Zhou period were excavated.