Webster's Revised Unabridged Dictionary · 1913

Frostbite

Frostbite , noun

The freezing, or effect of a freezing, of some part of the body, as the ears, fingers, toes, or nose. Severe frostbite can lead to the loss of fingers or toes. — Kane

Frostbite , transitive verb

To expose to the effect of frost, or a frosty air; to blight or nip with frost.
My wife up and with Mrs. Pen to walk in the fields to frostbite themselves. — Pepys