adj grieving; sorrowing; lamenting.
2. mourning ·p.pr. & ·vb.n. of mourn.
3. mourning ·noun the act of sorrowing or expressing grief; lamentation; sorrow.
4. mourning ·noun garb, drapery, or emblems indicative of grief, ·esp. clothing or a badge of somber black.
5. mourning ·adj employed to express sorrow or grief; worn or used as appropriate to the condition of one bereaved or sorrowing; as, mourning garments; a mourning ring; a mourning pin, and the like.