Lewis & Short

vŏcātĭo, ōnis, f. [voco, a calling; hence, in partic.],

  1. I. A citing before a court; a summons, Varr. and Atei. Capito ap. Gell. 13, 12, 6; Varr. ib. 13, 13, 3.
  2. II. A bidding, invitation to dinner, etc., Cat. 47, 5.
  3. III. In eccl. Lat., calling, Vulg. 1 Cor. 1, 26; id. Heb. 3, 1: in caelo, Hilar. in Matt. 4, 15.