arm

Meanings

1. 1
   noun

   any projection that is thought to resemble a human arm

   the arm of the record player

2. 2
   verb

   to supply with weapons

   The U.S. armed the freedom fighters in Afghanistan.

3. 3
   noun

   The portion of the upper human appendage, from the shoulder to the wrist and sometimes including the hand.

   She stood with her right arm extended and her palm forward to indicate “Stop!”

4. 4
   noun

   The extended portion of the upper limb, from the shoulder to the elbow.

   The arm and forearm are parts of the upper limb in the human body.

5. 5
   noun

   A limb, or locomotive or prehensile organ, of an invertebrate animal.

   the arms of an octopus

6. 6
   noun

   The part of a piece of clothing that covers the arm.

   […] one arm of this jacket streamed behind him like the broidered arm of a huzzar’s surcoat.

7. 7
   noun

   A long, narrow, more or less rigid part of an object extending from the main part or centre of the object, such as the armrest of an armchair, a crane, a pair of spectacles or a pair of compasses.

   The robot arm reached out and placed the part on the assembly line.

8. 8
   noun

   A bay or inlet off a main body of water.

   Shelburne Bay is an arm of Lake Champlain.

Etymology

Etymology tree Proto-Indo-European *h₂er- Proto-Indo-European *h₂érmos Proto-Germanic *armaz Proto-West Germanic *arm Old English earm Middle English arm English arm From Middle English arm, from Old English earm (Anglian arm), from Proto-West Germanic *arm, from Proto-Germanic *armaz (“arm”), from Proto-Indo-European *h₂(e)rmos (“a fitting, joint; arm, forequarter”), a suffixed form of *h₂er- (“to join, fit together”). Cognates Akin to Dutch arm, German Arm, Yiddish אָרעם (orem), Danish, Norwegian and Swedish arm. Indo-European cognates include Latin armus (“the uppermost part of the arm, sho…