1.Punishment suffered or denounced; suffering or evil inflicted as a punishment for crime, or connected with the commission of a crime; penalty. "We will, by way of mulct or pain, lay it upon him." "Interpose, on pain of my displeasure." "None shall presume to fly, under pain of death."
2.Any uneasy sensation in animal bodies, from slight uneasiness to extreme distress or torture, proceeding from a derangement of functions, disease, or injury by violence; bodily distress; bodily suffering; an ache; a smart. "The pain of Jesus Christ." Note: Pain may occur in any part of the body where sensory nerves are distributed, and it is always due to some kind of stimulation of them. The sensation is generally interpreted as originating at the peripheral end of the nerve.
3.pl. Specifically, the throes or travail of childbirth. "She bowed herself and travailed, for her pains came upon her."
4.Uneasiness of mind; mental distress; disquietude; anxiety; grief; solicitude; anguish. Also called mental pain. "In rapture as in pain."