jubilus

[joo-buh-luh s]

noun, plural ju·bi·li [joo-buh-lahy] /ˈdʒu bəˌlaɪ/. Liturgy.

(in Roman Catholic music) a rejoicing, melodic group of tones to which is chanted the last “a” of the second and third alleluias, often following the gradual of the Mass.

Also jubilatio.

Origin of jubilus

< Medieval Latin: shout of joy, Latin jūbilum a wild cry, shepherd's song; see jubilate