Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A spherical deep-diving chamber in which persons are lowered by a cable to study the oceans and deep-sea life.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A spherical steel deep-diving chamber with perspex windows, in which persons are lowered to the depths by a cable to study the oceans and deep-sea life; the precursor to the bathyscaphe

from the GNU version of the Collaborative International Dictionary of English

  • n. a spherical deep diving apparatus (lowered by a cable) for underwater exploration; it is constructed with a strong steel shell to withstand high pressures at the ocean bottom.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. spherical deep diving apparatus (lowered by a cable) for underwater exploration

Etymologies

From Ancient Greek βάθος (bathos, "depths") + σφαίρα (sfaíra, "sphere"). (Wiktionary)

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