Mourn (mōrn), v. i. [imp. & p. p.Mourned (mōrnd); p. pr. & vb. n.Mourning.] [AS. murnan; akin to OS. mornian, OHG. mornen, Goth. maúrnan.] 1. To express or to feel grief or sorrow; to grieve; to be sorrowful; to lament; to be in a state of grief or sadness.
Abraham came to mourn for Sarah, and to weep for her. Gen. xxiii. 2.
2. To wear the customary garb of a mourner.
We mourn in black; why mourn we not in blood? Shak.
Grieve for an hour, perhaps, then mourn a year. Pope.