What is the meaning of Winter_quarters?

A place where a wild animal goes to live or hibernate in the winter; hibernacle.

A place where a farmer, beekeeper, nurseryman, etc. moves their charges in the winter.

A more permanent location where a group that normally moves around, such as an army, circus, group of explorers, etc., takes time off to shelter for the winter.

A place where someone spends one or more winters.

Source: wiktionary.org