• (a.) On this side of the Atlantic Ocean; -- used of the eastern or the western side, according to the standpoint of the writer.
Cis`at·lan'tic adjective [ Prefix cis- + Atlantic .] On this side of the Atlantic Ocean; -- used of the eastern or the western side, according to the standpoint of the writer. Story. 
on this (the speaker's or writer's) side of the Atlantic.