[1] : The Collaborative International Dictionary of English v.0.48

excavate \ex"cavate\, v. t. imp.  p. p. excavated; p. pr. 
   vb. n. excavating. l. excavatus, p. p. of excavare to
   excavate; ex out + cavare to make hollow, cavus hollow. see
   cave.
   1. to hollow out; to form cavity or hole in; to make hollow
      by cutting, scooping, or digging; as, to excavate a ball;
      to excavate the earth.
      1913 webster

   2. to form by hollowing; to shape, as a cavity, or anything
      that is hollow; as, to excavate a canoe, a cellar, a
      channel.
      1913 webster

   3. engin. to dig out and remove, as earth.
      1913 webster

            the material excavated was usually sand. --e. l.
                                                  corthell.
      1913 webster

   excavating pump, a kind of dredging apparatus for
      excavating under water, in which silt and loose material
      mixed with water are drawn up by a pump. --knight.
      1913 webster
see also:
excavated excavating cave excavating pump 

Excavating >> E Words
Excavating, definition of term: Excavating
excavating_pag1.html

Pump >> P Words
Pump, definition of term: Pump
pump_pag1.html

Vacuum Pump >> V Words
Vacuum Pump, definition of term: Vacuum Pump
vacuum+pump_pag1.html

Water Pump >> W Words
Water Pump, definition of term: Water Pump
water+pump_pag1.html

Heat Pump >> H Words
Heat Pump, definition of term: Heat Pump
heat+pump_pag1.html

Bilge Pump >> B Words
Bilge Pump, definition of term: Bilge Pump
bilge+pump_pag1.html

Air Pump >> A Words
Air Pump, definition of term: Air Pump
air+pump_pag1.html

Pneumatic Pump >> P Words
Pneumatic Pump, definition of term: Pneumatic Pump
pneumatic+pump_pag1.html