Lewis & Short

2. percussus, ūs, m. [percutio], a beating, striking (poet. and in post-Aug. prose): caducis Percussu crebro saxa cavantur aquis, Ov. P. 2, 7, 40; Sen. Q. N. 2, 6, 3: venarum, Plin. 7, 51, 52, § 171: non sentire percussum, not to feel the injury deeply, Sen. Ira, 3, 25, 3: contra scorpionis percussum, App. Herb. 31, 7.