Blood Theology
In the OT “blood” denotes life, especially the life of a sacrificial animal poured out in death. In the NT it denotes the sacrificial death of Christ inaugurating the new covenant in which the faithful partake in the Lord's Supper (1 Cor 11:25). Blood theology typically concerns the saving benefits of Christ's sacrifice on the cross.
Glossary definitions provided courtesy of Church Publishing Incorporated, New York, NY,(All Rights reserved) from “An Episcopal Dictionary of the Church, A User Friendly Reference for Episcopalians,” Don S. Armentrout and Robert Boak Slocum, editors.