Meaning of “pound” - Learner’s Dictionary

pound

verb uk us /paʊnd/
HIT [ I, T ]

B2 to hit something many times using a lot of force:

Someone was pounding on the door.
HEART [ I ]

B2 If your heart pounds, it beats very quickly:

My heart was pounding as I walked out onto the stage.
pound along/down/up, etc

to run somewhere with quick, loud steps:

He pounded up the stairs.

(Definition of “pound verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)