invŏcātĭo, ōnis, f. [invoco],
an invoking , invocation (post-Aug.): deorum, Quint. 6, 1, 33: dearum, id. 6, 1, 48.— Absol. , Quint. 9, 2, 104; 11, 3, 115; Macr. S. 1, 16.