The process or fact of being exposed to freezing temperatures; damage or injury as a result of this; frostbite.
Mid 16th century; earliest use found in James Pilkington (1520–1576), bishop of Durham. From frost + biting.
Of the weather, the wind, etc.: intensely cold; so cold as to cause frostbite. Also (and in earliest use) figurative.
Late 16th century; earliest use found in Tell-Trothes New-yeares Gift. From frost + biting.