Located on this side of the ocean; relating to areas on the same side of an ocean as the reference point.
From Latin 'cis-' (on this side) plus 'oceanic' (relating to oceans). This rare geographical term parallels 'cismarine' and was used in maritime and colonial contexts.
Before airplanes made oceans insignificant, 'cisoceanic' vs. 'transoceanic' was a huge divide—it meant you could walk there or it meant months at sea, which literally changed which continents dominated world power.
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