Definitions

1. adjective

relating to or affecting the limbs or the region of the limbs

“The appendicular skeleton includes the limbs and the bones that connect to them.”

2. noun

a part of the body that is attached to the axial skeleton, especially a limb

“The appendicular region of the spine is where the limbs are attached.”

3. noun

the limbs or appendages of an animal, especially of a vertebrate

“The appendicular system of a human being includes the arms and legs.”