KJV Dictionary Definition: wail
WAIL, v.t. To lament; to moan; to bewail.
Or if no more her absent lord she wails--
WAIL, v.i. To weep; to express sorrow audibly.
Therefore I will wail and howl. Micah 1.
WAIL, n. Loud weeping; violent lamentation.
WAILFUL, a. Sorrowful; mournful.
WAILING, ppr. Lamenting with audible cries.
WAILING, n. Loud cries of sorrow; deep lamentation.
There shall be wailing and gnashing of teeth. Matthew 13.