— intercessional , adj.
/in'teuhr sesh"euhn/ , n.
1. an act or instance of interceding.
2. an interposing or pleading on behalf of another person.
3. a prayer to God on behalf of another.
4. Rom. Hist. the interposing of a veto, as by a tribune.
[ 1400-50; late ME intercession- (s. of intercessio ), equiv. to intercess ( us ) ptp. of intercedere to INTERCEDE (equiv. to interced- var. s. + -tus ptp. suffix, with -dt- > -ss- ) + -ion- -ION ]