crepitaculum

ἐπέμψατε ἀγγέλους τοῖς ἀλλήλοις ὥστε ἔγνωτε τὸν κίνδυνον → you sent messengers to one another so that you knew the danger

Latin > English (Lewis & Short)

crĕpĭtācŭlum: i, n. crepito,
I a rattle, Quint. 9, 4, 66; Mart. 14, 54; Mart. Cap. 1, § 7; 9, §§ 909, 927.