Noun
Audible expression of sorrow; lamentation; complaint; hence, a mournful song; a lament.
An accusation or protest on account of an injury.
A private memorial tendered to a court, in which a person sets forth his cause of action; the exhibiting of an action in writing.
Source: Webster's dictionaryThe plaint that there hasn't been enough time for the eye to evolve turns out to be not just wrong but dramatically, decisively, ignominiously wrong. Richard Dawkins
Waft, gentle gale, oh waft to Samercand, When next thou visitest that blissful land, The plaint of Khorassania plung'd in woe: Bear to Turania's King our piteous scroll, Whose opening breathes forth all the anguish'd soul, And close denotes whate'er the tortur'd know. Anvari
Go not with every ailment to the doctor, nor with every plaint to lawyer. Portuguese Proverb
their pitiful laments could be heard throughout the ward Source: Internet