constantinople: the second ecumenical council in 381 which added wording about the Holy Spirit to the Nicene Creed
ecumenical council: (early Christian church) one of seven gatherings of bishops from around the known world under the presidency of the Pope to regulate matters of faith and morals and discipline
scurvy grass: a widely distributed Arctic cress reputed to have value in treatment or prevention of scurvy; a concentrated source of vitamin C