1. [ noun ] (zoology) one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper
Related terms: extremity arm leg thigh leg forearm forelimb hind_limb flipper cubitus crus appendicular_skeleton stump extremity
2. [ noun ] (mathematics,geometry) the graduated arc that is attached to an instrument for measuring angles

"the limb of the sextant"

Related terms: arc octant
3. [ noun ] any projection that is thought to resemble an arm
Synonyms: arm branch

"the arm of the record player" "an arm of the sea" "a branch of the sewer"

Related terms: projection
4. [ noun ] either of the two halves of a bow from handle to tip

"the upper limb of the bow"

Related terms: part bow
5. [ noun ] (astronomy) the circumferential edge of the apparent disc of the sun or the moon or a planet
Related terms: edge astronomy
6. [ noun ] Last name, frequency rank in the U.S. is 26355
7. [ noun ] (botany) any of the main branches arising from the trunk or a bough of a tree
Synonyms: tree_branch
Related terms: branch bough stick tree
Similar spelling:   limbo