夏候鸟 xiàhòuniǎo summer migratory bird Definitions Defs Origin Strokes Stroke Words Sentences Sents 夏 xià noun summer the second season of the year; summer候鸟 候鳥 hòuniǎo migratory bird A bird that migrates annually as the seasons change; distinct from 留鸟 liúniǎo.