[noun] [U]Shops will be closed today as a sign of mourning for the king (= as an expression of sadness about his death).Mourning is also the usually black clothes that are worn in some countries as an expression of sadness about someone's death.She is in/has gone into mourning for her father (= She is wearing/has started to wear mourning).He is in deep mourning (= wearing only black clothes).(figurative) The film industry is in mourning for (= is feeling and expressing sadness about the death of) one of its greatest actors.Mourning is also a loud crying that people in some countries make when someone dies.The mourning could be heard all day and all night.
MOURNING
Meaning of MOURNING in English
Cambridge English vocab. Кембриджский английский словарь. 2012