/serr'keuhm in sesh"euhn/ , n. Theol.
the reciprocal existence in one another of the three persons of the Trinity.
Also, circuminsession .
[ 1635-45; circumincession- (s. of circumcessio ), equiv. to L circum- CIRCUM + ML incession- incess ( us ) (ptp. of incedere to give in, to go along with, equiv. to in- IN- 2 + ced ( ere ) to go + -tus ptp. suffix) + -ion- -ION; see CEDE, CESSION ]