What is 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 called?

frostbite — 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. (Webster's 1913.)