1. A day designated for mourning the death of a person, typically marked by wearing black clothing and abstaining from celebrations or normal activities
The country declared a day of mourning for the late president.
O país decretou um dia de luto pelo falecido presidente.
2. A period of formal grief observed by a family or community following a death
The family observed three days of mourning after the funeral.
A família observou três dias de luto após o funeral.