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