/ Dictionary / Index B bathyscaphe: Meaning and Definition of Find definitions for: bath•y•scaphe Pronunciation: (bath'u-skāf", -skaf"), [key] — n. Oceanog. a navigable, submersible vessel for exploring the depths of the ocean, having a separate, overhead chamber filled with gasoline for buoyancy and iron or steel weights for ballast. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bathyscaphe (Thesaurus) bathypelagic bathysphere Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language