Diving bell

from WordNet (r) 3.0 (2006)

diving bell
    n 1: diving apparatus for underwater work; has an open bottom
         and is supplied with compressed air

from The Collaborative International Dictionary of English v.0.48

Diving \Div"ing\, a.
   That dives or is used or diving.
   [1913 Webster]

   {Diving beetle} (Zool.), any beetle of the family
      {Dytiscid[ae]}, which habitually lives under water; --
      called also {water tiger}.

   {Diving bell}, a hollow inverted vessel, sometimes
      bell-shaped, in which men may descend and work under
      water, respiration being sustained by the compressed air
      at the top, by fresh air pumped in through a tube from
      above.

   {Diving dress}. See {Submarine armor}, under {Submarine}.

   {Diving stone}, a kind of jasper.
      [1913 Webster]