The Winter Palace was the official residence of the Russian royal family, and the term 'Winter Palace Resident' refers to the members of the royal family who lived there. The four crossword solutions for this term are Tzar (4 letters), CZAR (4 letters), CZARINA (7 letters), TSAR (4 letters), and Tsarina (7 letters). Tzar and CZAR are interchangeable terms for the male ruler of Russia, while CZARINA and Tsarina refer to the female consort of the ruler.