Lewis Short
vŏcātĭo (noun F) : voco, a calling; hence, in partic.
* A citing before a court; a summons, Varr. and Atei. Capito ap. Gell. 13, 12, 6; Varr. ib. 13, 13, 3.
* A bidding, invitation to dinner, etc., Cat. 47, 5.
* In eccl. Lat., calling, Vulg. 1 Cor. 1, 26; id. Heb. 3, 1: in caelo, Hilar. in Matt. 4, 15.
Charlton T. Lewis, Charles Short, A Latin Dictionary