noun
Common loanword for a mechanical or structural arm, such as a robot arm, crane arm, or the arm of a chair. Not used for the human body part, which is 腕.
ロボットのアームが部品を掴む。
The robot arm grabs the part.
この椅子のアームは調節できます。
The arms of this chair are adjustable.
noun
automated retroactive minimal moderation; ARMM
Rare technical abbreviation used in online moderation contexts. Not a general-use term.
アームは一部のオンラインコミュニティで使われる専門用語だ。
ARMM is a technical term used in some online communities.