Definitions for "Main Residence"
Sometimes referred to as the principal private residence. This is the normal home where someone lives.
The place where you normally live and consider to be your home. You can only have one main residence for capital gains tax purposes.
The property in which an individual resides for the majority of the time.
Keywords:  spend, owns, time, person, property
If a person owns more than one property, this is the one which they spend most of their time.