crosadh, m. (gs. -sta). 1. vn. of cros2. 2. Prohibition. ~ oilc, éagóra, prohibition of evil, of injustice. Ceart crosta, right of veto. ~ a chur ar dhuine rud a dhéanamh, to forbid s.o. to do sth. Níl aon chrosadh ort dul ann, there is nothing to prevent you going there. Thar mo chrosadh, against my orders, in spite of me.