limb

Meanings

• one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper
• any of the main branches arising from the trunk or a bough of a tree
• (astronomy) the circumferential edge of the apparent disc of the sun or the moon or a planet
• either of the two halves of a bow from handle to tip
  • "the upper limb of the bow"
• the graduated arc that is attached to an instrument for measuring angles
  • "the limb of the sextant"
• any projection that is thought to resemble a human arm

Synonyms

arm, branch, tree branch