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