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