mourn
verb
\ ˈmȯrn
\
\
mourned;
mourning;
mourns
Definition of mourn
1
: to feel or express grief or sorrow
When he dies, people throughout the world will mourn.
2
: to show the customary signs of grief for a death
especially
: to wear mourning
mourned for thirty days in black clothes
3
: to murmur mournfully
—used especially of doves
1
: to feel or express grief or sorrow for
mourned the death of his son
2
: to utter mournfully
let the whirlwind mourn its requiem— W. S. Gilbert