Lewis & Short

occursĭo, ōnis, f. [occurro], a meeting, a visit (post-Aug.): a fraternis occursionibus (al. occursibus), Sen. Cons. ad Marc. 18, 2 Grut. (Haase, occursibus); Sid. Ep. 7, 10; Sulp. Sev. Dial. 1, 21.