ATC noun7 •Initialism of air traffic controller. •Initialism of air traffic control. •Initialism of artist trading card. •Initialism of automatic train control. •Initialism of approval to connect. •[plural only] Initialism of any two (pocket) cards. •(Philippines) Initialism of Alabang Town Center: a mall in Alabang, Muntinlupa, Metro Manila, Philippines. formsATCs
