Definition of float chamber in English:

float chamber

noun

  • The cavity in a carburettor containing a device which floats on the surface of the fuel and seals off the flow as the level rises.

    • ‘The fuel level in the float chamber is regulated through the buoyancy of the float.’
    • ‘I believe, but could well be wrong, that the level of fuel in the float chamber coincides with the top of the carburettor jet.’