(1):
(n.) One of locomotive appendages of an animal; a limb; a leg or an arm of man.
(2):
(n.) The utmost point; highest degree; most aggravated or intense form.
(3):
(n.) The highest degree of inconvenience, pain, or suffering; greatest need or peril; extreme need; necessity.
(4):
(n.) The extreme part; the utmost limit; the farthest or remotest point or part; as, the extremities of a country.