Definition of "Pant" :

noun: a short labored intake of breath with the mouth open

noun: (usually in the plural) a garment extending from the waist to the knee or ankle, covering each leg separately

noun: the noise made by a short puff of steam (as from an engine)

verb: breathe noisily, as when one is exhausted

"The runners reached the finish line, panting heavily."

verb: utter while panting, as if out of breath