To express grief or sorrow; to grieve; to be sorrowful. Mourning may be expressed by weeping or audible sounds, or by sobs, sighs or inward silent grief. Abraham came to mourn for Sarah and to weep. Genesis 23:2. Blessed are they that mourn, for they shall be comforted. atihew 5:4.

To wear the customary habit of sorrow. We mourn in black. Grieve for an hour perhaps, then mourn a year.

To grieve for; to lament. But there is an ellipsis of for, the verb not being transitive. When we say, we mourn a friend or a child, the real sense and complete phrase is, we mourn for a friend, or mourn for the loss of a friend. “He mourn’d his rival’s ill success,” that is, he mourned for his rival’s ill success.

To utter in a sorrowful manner. The love lorn nightingale . Nightly to thee her sad song mourneth well.