Entry 2 senses Webster, 1913 Transatlantic /(trăns*ăt*lăn"tĭk)/ · Trans·at·lan·tic · IPA /trˌænzətlˈæntɪk/ 01 a. Lying or being beyond the Atlantic Ocean. 1. Lying or being beyond the Atlantic Ocean. 2. Crossing the Atlantic Ocean; as, a transatlantic flight.