D defs.my
Entry 1 sense Webster, 1913

Oceanus

· O·ce·a·nus · IPA /oʊˈsiːənəs/
01 n. The god of the great outer sea, or the river which was believed to flow around the whole earth.
  1. 1.
    The god of the great outer sea, or the river which was believed to flow around the whole earth.(Gr.Myth.)