ACL

noun4

1. •
   An injury to the ACL.

   • He's having a pretty good year, coming off of an ACL.
2. •
   Initialism of anterior cruciate ligament.

   • Mark Zuckerberg shares photos from the hospital after undergoing knee surgery for a torn ACL suffered during MMA training. — 2023
3. •
   Initialism of access control list.
4. •
   Initialism of action-centered leadership.