euouae /juːˈuː.iː/ noun2 •In medieval music, a mnemonic for the Latin words saeculōrum and āmēn (from “ […] in saecula saeculōrum. Āmēn.” from the Gloria Patri doxology), used in liturgical works to indicate how the words should be sung with various cadences.Under mode four, the incipit to the antiphon "Ex Egypto" and its EVOVAE are given as follows […] — 1987 •A cadence used to sing those words of the Gloria Patri.The euouae, initials, and finials of all the modes, are given in this kind of notation very amply, and always on five lines, and spaces. — 1819
