So it is in very truth, so be it, amen: (a) as a liturgical response of solemn ratification after the creed, prayers, etc.; (b) after an informal prayer or wish; (c) at the conclusion of a sermon……

(a) An exclamation meaning 'Save, we pray' used to express praise to Christ or the Trinity, hosanna; (b) the sung hosanna in the liturgy for Palm Sunday. …