Concússio, concussiônis, Aliud verbale, f. g. Vlp. A shaking or moouing.Concussoconcussôris, Verbale, m, g. Tertul. He that shaketh.
Lewis and Short: Latin dictionary
concussĭo, ōnis, f. [id.] (post-Aug.), a shaking, concussion.I. In gen.: vasorum, Col. 9, 14 fin.: assidua facium, Plin. Ep. 4, 9, 11: vasta concussio quae duas suppressit urbes,
an earthquake
, Sen. Q. N. 6, 25, 4.—II. In jurid. Lat., an extortion of money by means of threats, Dig. 47, 13: de concussione, several times; also Tert. ad Scap. 4 sq.