[ noun ] (zoology) an external body part that projects from the body
"it is important to keep the extremities warm"
Used in print(J. W. C. Hagstrom et al., "Debilitating muscular...)
The muscles of the extremities , chest wall , neck , and abdominal wall were soft , pale , and atrophic .
[ noun ] the greatest or utmost degree
: "the extremity of despair"