The most common Korean word for “arm” is 팔 (pal). 「arm」는 한국어로 팔.
Learn 팔 free — flashcards, audio and review →「팔」 단어장으로 무료로 외우기Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato