Lewis Short
(verb) : offenso, āvi, ātum, 1, 1. offendo
* To strike or dash against (not in Cic. or Caes.).
* Lit.: sponte suā offensando ut semina rerum,Lucr. 2, 1059; so id. 6, 1053: omnes offensare capita,dash their heads against the wall,Liv. 25, 37.
* Trop., to stumble, trip, falter in speaking, Quint. 10, 7, 10.—(Offensatus, Quint. 10, 3, 20, is a false reading for offensator, q.v.).
Charlton T. Lewis, Charles Short, A Latin Dictionary