MOURN, verb intransitive [Latin maereo.]

1. 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. Matthew 5:4.

2. To wear the customary habit of sorrow.

We mourn in black.

Grieve for an hour perhaps, then mourn a year.

MOURN, verb transitive 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.

1. To utter in a sorrowful manner.

The love lorn nightingale

Nightly to thee her sad song mourneth well.