Main Entry: arm

Pronunciation: \ˈärm\

Function: noun

1 a : a human upper limb b : the part of the human upper limb between the shoulder and the wrist ; also : brachium
2 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