Lewis & Short

con-crĕpo, pŭi, pĭtum, 1, v. n. and a.

  1. I. Neutr., to rattle, creak, grate, sound, resound, clash, make a noise, etc. (class.): foris concrepuit hinc a vicino sene, Plaut. Mil. 2, 1, 76: foris, id. Bacch. 2, 2, 56; 4, 2, 28: ostium, id. Men. 2, 2, 73; 3, 2, 57; * Ter. And. 4, 1, 58: scabilla concrepant, aulaeum tollitur, Cic. Cael. 27, 65: conclamat omnis multitudo et suo more armis concrepat, Caes. B. G. 7, 21.
    Of the din or clashing of weapons (i. e. of the swords against the shields) when struck together: simul primo concursu concrepuere arma, Liv. 6, 24, 1; 28, 8, 2, and 28, 29, 10; Petr. 59, 3; and of the striking together of the brazen cymbals of the attendants of Bacchus, Prop. 3 (4), 18, 6; Ov. F. 3, 740.
    Of the snapping of the fingers: concrepuit digitis, Plaut. Mil. 2, 2, 51: si vir bonus habeat hanc vim, ut, si digitis concrepuerit, possit, etc., by snapping his fingers, i. e. by the smallest effort, Cic. Off. 3, 19, 75; Hier. Ep. 125, 18; so also absol.: simulac decemviri concrepuerint, Cic. Agr. 2, 30, 82.
  2. II. Act., to cause to sound or rattle, to strike upon (rare): aera, Ov. F. 5, 441: hastis scuta, Petr. 59, 3: digitos, id. 27, 5: Tartessiaca aera manu, Mart. 11, 16, 4.