TSAREVICH Meaning of TSAREVICH in English [ 'zα:rɪvɪtʃ , 'tsα:- , -'rjeɪ- ](also czarevich or tzarevich ) ■ noun historical the eldest son of a Russian tsar.OriginRuss., lit. 'son of a tsar'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004