Bible Encyclopedias
Obsignatio

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

is, like σφραγίς, sigillum, and-signaculum, a term used in ecclesiastical language to designate the baptism, or, better, the sealing by the Holy Spirit, as, e.g., in Ephesians 1:13, et al. (See BAPTISM); (See SPIRIT).