exhaust (http://definr.com/exhaust)

     n 1: gases ejected from an engine as waste products [syn: {exhaust
          fumes}, fumes]
     2: system consisting of the parts of an engine through which
        burned gases or steam are discharged [syn: exhaust system]
     v 1: wear out completely; "This kind of work exhausts me"; "I'm
          beat"; "He was all washed up after the exam" [syn: {wash
          up}, beat, tucker, tucker out]
     2: use up, as of resources or materials; "this car consumes a
        lot of gas"; "We exhausted our savings"; "They run through
        20 bottles of wine a week" [syn: consume, eat up, {use
        up}, eat, deplete, run through, wipe out]
     3: deplete; "exhaust one's savings"; "We quickly played out our
        strength" [syn: run down, play out, sap, tire]
     4: use up the whole supply of; "We have exhausted the food
     5: create a vacuum in (a bulb, flask, reaction vessel, etc.)
        [syn: evacuate]