hibernate
verb (used without object)
to spend the winter in close quarters in a dormant condition, as bears and certain other animals.
Used to describe an ongoing action or continuous state that will be taking place in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Gray bats could begin to gather in the area in prehibernation mode any time now; most will be hibernating by mid-November.
From New York Times ● Sep. 24, 2012