Source : Webster's Revised Unabridged Dictionary (1913)

Gas \Gas\, v. t. [imp. & p. p. {Gassed}; p. pr. & vb. n.
   {Gassing}.]
   1. (Textiles) To singe, as in a gas flame, so as to remove
      loose fibers; as, to gas thread.

   2. To impregnate with gas; as, to gas lime with chlorine in
      the manufacture of bleaching powder.

Source : WordNet®

gassed
     See {gas}

gas
     n 1: the state of matter distinguished from the solid and liquid
          states by: relatively low density and viscosity;
          relatively great expansion and contraction with changes
          in pressure and temperature; the ability to diffuse
          readily; and the spontaneous tendency to become
          distributed uniformly throughout any container
     2: a fluid in the gaseous state having neither independent
        shape nor volume and being able to expand indefinitely
     3: a volatile flammable mixture of hydrocarbons (hexane and
        heptane and octane etc.) derived from petroleum; used
        mainly as a fuel in internal-combustion engines [syn: {gasoline},
         {gasolene}, {petrol}]
     4: a state of excessive gas in the alimentary canal [syn: {flatulence},
         {flatulency}]
     5: a pedal that controls the throttle valve; "he stepped on the
        gas" [syn: {accelerator}, {accelerator pedal}, {gas pedal},
         {throttle}, {gun}]
     6: a fossil fuel in the gaseous state; used for cooking and
        heating homes [syn: {natural gas}]
     [also: {gassing}, {gasses}, {gassed}, {gasses} (pl)]

gas
     v 1: attack with gas; subject to gas fumes; "The despot gassed
          the rebellious tribes"
     2: show off [syn: {boast}, {tout}, {swash}, {shoot a line}, {brag},
         {blow}, {bluster}, {vaunt}, {gasconade}]
     [also: {gassing}, {gasses}, {gassed}, {gasses} (pl)]