The Collaborative International Dictionary of English v.0.48:
Diving \Div"ing\, a.
That dives or is used or diving.
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
Diving dress. See Submarine armor, under Submarine.
Diving stone, a kind of jasper.