Medical Dictionary


noun \ˈärm\

Medical Definition of ARM

a :  a human upper limb b :  the part of the human upper limb between the shoulder and the wrist; also :  brachium
a :  the forelimb of a vertebrate other than a human being b :  a limb of an invertebrate animal c :  any of the usually two parts of a chromosome lateral to the centromere
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears