Meaning of “execution” - Learner’s Dictionary

execution

noun uk us /ˌeksɪˈkjuːʃən/
KILLING [ C, U ]

the legal punishment of killing someone

DOING [ U ]

the act of doing something, such as following a plan or order:

He was killed in the execution of his duties as a soldier.

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