MOAN, verb transitive To lament; to deplore; to bewail with an audible voice. Ye floods, ye woods, ye echoes, moan My dear Columbo dead and gone. MOAN, verb intransitive To grieve; to make lamentations. Unpitied and unheard, where misery moans. MOAN, noun Lamentation; audible expression of sorrow; grief expressed in words or cried. Sullen moans, Hollow groans.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI