interoceanic

/ˌɪntərˌoʊʃiˈænɪk/
adjective
  1. Connecting or existing between oceans.
    • The Panama Canal is one of the most famous interoceanic waterways in the world.
    • Engineers are planning an interoceanic highway that would cross Central America.
    • Interoceanic trade routes have been important for global commerce for centuries.
Synonyms