D defs.my
Entry 4 senses Webster, 1913

Extremity

/ĭkstrĕ'mĭtē/ · Ex·trem·i·ty · IPA /ɪkˈstɹɛməti/
01 n. The extreme part; the utmost limit; the farthest or remotest point or part; as, the extremities of a country.
pl. Extremities
  1. 1.
    The extreme part; the utmost limit; the farthest or remotest point or part; as, the extremities of a country.
    “They sent fleets . . . to the extremities of Ethiopia.” Arbuthnot.
  2. 2.
    One of locomotive appendages of an animal; a limb; a leg or an arm of man.(Zoöl.)
  3. 3.
    The utmost point; highest degree; most aggravated or intense form.
  4. 4.
    The highest degree of inconvenience, pain, or suffering; greatest need or peril; extreme need; necessity.
    “Divers evils and extremities that follow upon such a compulsion shall here be set in view.” Milton.
    “Upon mere extremity he summoned this last Parliament.” Milton.