Diving

a.
  1. That dives or is used or diving.
    2. Diving beetle (Zoöl.),
    any beetle of the family Dytiscidæ, 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.