What is a verb that describes the word Winter?

There isn't a single perfect verb that directly describes "winter" in the way you might describe a noun like "run" or "jump". Winter is more of a state or season, not an action.

However, depending on the context you're thinking of, you could use verbs that convey different aspects of winter:

General:

* Arrive: "Winter arrives early this year."

* Set in: "The cold weather has set in."

* Approach: "The first signs of winter are approaching."

* Pass: "We're waiting for winter to pass."

Focusing on weather:

* Freeze: "The lake will freeze over soon."

* Snow: "It's snowing heavily."

* Blizzard: "A blizzard is expected tonight."

* Chill: "The wind chills you to the bone."

Focusing on nature:

* Dormancy: "The trees are in dormancy."

* Hibernate: "Bears hibernate during the winter."

* Migrate: "Birds migrate south for the winter."

Focusing on activities:

* Ski: "We love to ski in the winter."

* Skate: "The ice rink is open for skating this winter."

* Cozy up: "We cozy up by the fireplace on winter nights."

The best verb will depend on what you want to emphasize about winter.