[syn: oceanic, pelagic]
2.  resembling the ocean in apparent limitlessness in extent or degree; 
- Example: "the oceanic violence of his rage"
3.  constituting or living in the open sea; 
- Example: "oceanic waters"
- Example: "oceanic life"
The Collaborative International Dictionary of English v.0.48:
Oceanic \O`ce*an"ic\ ([=o]`sh[-e]*[a^]n"[i^]k), a. [Cf. F.
   oc['e]anique. See Ocean.]
   1. Of or pertaining to the ocean; found or formed in or
      about, or produced by, the ocean; frequenting the ocean,
      especially mid-ocean.
      [1913 Webster]
            Petrels are the most aerial and oceanic of birds.
                                                  --Darwin.
      [1913 Webster]
   2. Of or pertaining to Oceania or its inhabitants.
      [1913 Webster]
WordNet (r) 3.0 (2006):
oceanic
    adj 1: relating to or occurring or living in or frequenting the
           open ocean; "oceanic islands like Bermuda"; "oceanic
           currents"; "oceanic birds"; "pelagic organisms"; "pelagic
           whaling" [syn: oceanic, pelagic]
    2: resembling the ocean in apparent limitlessness in extent or
       degree; "the oceanic violence of his rage"
    3: constituting or living in the open sea; "oceanic waters";
       "oceanic life"
    n 1: an eastern subfamily of Malayo-Polynesian languages [syn:
         Oceanic, Eastern Malayo-Polynesian]
Moby Thesaurus II by Grady Ward, 1.0:
23 Moby Thesaurus words for "oceanic":
   aquatic, bathymetric, bathyorographical, deep-sea, deep-water,
   hydrographic, marine, maritime, nautical, naval, navigational,
   ocean, ocean-going, oceanographic, pelagic, salty, sea, seafaring,
   seamanlike, seamanly, terriginous, thalassic, water-borne