Definition of “homicide” - Learner’s Dictionary

homicide

noun [ C, U ] uk /ˈhɒmɪsaɪd/ us US

the crime of killing someone:

There were over 400 homicides in Chicago last year.
homicidal adjective us uk /ˌhɒmɪˈsaɪdəl/

likely to murder someone:

a homicidal maniac

(Definition of “homicide” from the Cambridge Learner's Dictionary © Cambridge University Press)