Meaning of “heave” - Learner’s Dictionary

heave

verb uk us /hiːv/
SOMETHING HEAVY [ I, T ]

to move something heavy using a lot of effort:

He heaved the bag on to his shoulder.
UP AND DOWN [ I ]

to move up and down:

Her chest heaved as she started to cry.
heave a sigh of relief

to breathe out loudly because you are pleased that something bad has not happened

heave noun [ C ]

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