e/Rex gloriose martyrum

Information
has gloss	eng: In Roman Catholic liturgy, Rex Gloriose Martyrum is the hymn at Lauds in the Common of Martyrs (Commune plurimorum Martyrum) given in the Roman Breviary. It comprises three strophes of four verses in Classical iambic dimeter, the verses rhyming in couplets, together with a fourth concluding strophe (or doxology) in unrhymed verses varying for the season.
lexicalization	eng: Rex Gloriose Martyrum
instance of	(noun) a song of praise (to God or to a saint or to a nation) hymn, anthem