Ocean

ō′shan, n. the vast expanse of salt water that covers the greater part of the surface of the globe: one of its five great divisions (Atlantic, Pacific, Indian, Arctic, Antarctic): any immense expanse or vast quantity.— adj. pertaining to the great sea.— n. O′cean-bā′sin , the depre ion of the earth's surface in which the waters of an ocean are contained.— adjs. Ocean′ian , pertaining to Ocean i a , which includes Polynesia, Mic rones i a, Me lanes i a, Austral asia, and Malaysia; Ocean′ic , pertaining to the ocean: found or formed in the ocean or high seas, pelagic: wide like the ocean.— ns.pl. Ocean′ic-is′lands , islands far from the mainland, situated in the midst of the ocean; Ocean′ides , marine molluscs or sea-shells.— ns. O′cean-lane (see Lane ); Oceanog′rapher , one versed in oceanography.— adj. Oceanograph′ic .— ns. Oceanog′raphy , the scientific description of the ocean; Oceanol′ogy , the science of the ocean: a treatise on the ocean. [Fr.,—L. ocean us —Gr. ōkeanos , perh. from ōkys , swift.]