Improperia
Pronunciation : Im`pro*pe"ri*a
Part of Speech : n.
Etymology : [L., reproaches.] (Mus.)
Definition : Defn: A series of antiphons and responses, expressing the sorrowful remonstrance of our Lord with his people; -- sung on the morning of the Good Friday in place of the usual daily Mass of the Roman ritual. Grove.
pl.
Source : Webster's Unabridged Dictionary, 1913