Definitions
1.VerbTo cry out, as in sorrow or anguish.
2.VerbTo weep, lament persistently or bitterly.
3.VerbTo make a noise like mourning or crying."The wind wailed and the rain streamed down."
4.VerbTo lament; to bewail; to grieve over."to wail one's death"
5.VerbTo perform with great liveliness and force.
6.NounA prolonged cry, usually high-pitched, especially as of grief or anguish. .mw-parser-output .defdate{font-size:smaller}"She let out a loud, doleful wail."
7.NounAny similar sound as of lamentation; a howl."The wail of snow-dark winter winds.; A bird's wail in the night."
8.NounA sound made by emergency vehicle sirens, contrasted with "yelp" which is higher-pitched and faster.
9.VerbSynonym of wale (“to choose; to select”).