pant verb definition in Exercise topic from the Oxford Advanced Learner's Dictionary

pant

 verb: Exercise topic
[intransitive, transitive] (+ speech) to breathe quickly with short breaths, usually with your mouth open, because you have been doing some physical exercise, or because it is very hot She finished the race panting heavily. She could hear him panting up the stairs (= running up and breathing quickly). He found her panting for breath at the top of the hill.