1) American horror novel 2) Spend the winter 3) To spend the winter 4) Werewolf novel 
Term used to describe what life stage an insect passes the winter in.
To provide conditions that enable plants to live throughout (even if dormant) the winter
You may have seen instructions for “overwintering” a particular plant, ignored them, and done just fine. Or you may have lost a certain plant that should have been hardy in your garden because a particularly harsh winter storm carried it off, or temperatures plummeted below expected levels. 
A period of rest or hibernation by which insects survive the winter.
To provide conditions that enable plants to live through the winter.
To keep plants alive through the winter.
To keep plants alive through the winter.
to pass, spend, or survive the winter: to overwinter on the Riviera.