P / plangor
noun

plangor

gen. plangōris · gender masculine · decl. 3rd
a striking; beating
a striking, beating, attended with noise.
poetic
In gen. (poet.): (undae) leni resonant plangore cachinni, Cat. 64, 272: feminis, Auct. Her. 3, 15; Ov. M. 3, 498.—
a beating the breast; face; loud mourning
In partic., a beating the breast or face in token of grief; loud mourning, wailing, lamentation (class.): plangore et lamentatione complere forum, Cic. Or. 38, 131: feminei, Verg. A. 2, 487: dare plangorem, to make, Ov. M. 14, 421: percutit claro plangore lacertos, id. ib 4, 138: caesis plangore lacertis, id. ib. 6, 532.