oceangoing

from WordNet (r) 3.0 (2006)

oceangoing
    adj 1: used on the high seas; "seafaring vessels" [syn:
           {oceangoing}, {seafaring}, {seagoing}]

from The Collaborative International Dictionary of English v.0.48

oceangoing \oceangoing\ adj.
   capable of crossing an ocean; used on the high seas; -- used
   mostly of ships; as, oceangoing vessels.

   Syn: seafaring, seagoing.
        [WordNet 1.5]