1. subscription, being a subscriber. 2. subscription fee. 3. (telephone exchange) capable of handling (a given number) of numbers; (a gas, water, or electric line) capable of serving (a given number) of customers: beş yüz abonelik bir telefon santralı a telephone exchange which can handle five hundred numbers. 4. (a publication) which is sold by subscription (as opposed to being sold on the open market).