noun
art club
Refers to a school club (部活動) focused on art, typically in middle school or high school.
私は美術部に入っています。
I am in the art club.
美術部の活動は放課後に行われます。
Art club activities take place after school.
部活 is the general term for school club activities; 美術部 is one specific type.
Compound of 美術 (art) and 部 (club, department).