lamentation

noun

1. (countable, uncountable)The act of lamenting.

   “About John Marin, there move sad, disgruntled beings, full of talk and lamentations. [...] They bewail the fact that in America, soil is poor and unconducive to growth, and men remain unmoved by growing green. But Marin persists, and what ebullience and good humour, in the rocky ungentle loam?”

2. (countable, uncountable)A sorrowful cry; a lament.
3. (countable, uncountable)Specifically, mourning.
4. (countable, uncountable)lamentatio, (part of) a liturgical Bible text (from the book of Job) and its musical settings, usually in the plural; hence, any dirge
5. (countable, uncountable)A group of swans.