sea plane—an airplane with floats instead of wheels for landing on water:
- The area is accessible only by boat or sea-plane, and there are no automobiles on the island.
Note: The expression does not correlate in meaning with the compound sailplane—a light glider:
- Sailplanes are capable of soaring flight, that is flying without loss of height or gaining height.
sea-borne plane—an airplane on board an aircraft-carrier:
- This plane will be more basic in engineering than its sea-borne cousins.