rĕpulsōrĭus — Lewis & Short
rĕpulsōrĭus, a, um, adj.id.,
I driving or forcing back, repulsory:
cohortes,Amm. 24, 4, 7.—As subst.: rĕpulsōrĭum, ii, n., a means of driving back, Ambros. in Psa. 118, Serm. 4, § 15 fin.