noun, plural clau·su·lae [klaw-zhuh-lee]. Music. an ornamented cadence especially in early Renaissance music.

What is a clausula and what was it used for?

In Roman rhetoric, a clausula (/ˈklɔːziʊlə/; Latin for "little close or conclusion"; plural clausulae /ˈklɔːziʊli/) was a rhythmic figure used to add finesse and finality to the end of a sentence or phrase. There was a large range of popular clausulae.

What is discant clausula?

The clausula (Latin for "little close” or “little conclusion"; plural clausulae) was a newly composed section of discant ("note against note") inserted into a pre-existing setting of organum. ... They occur as melismatic figures based on a single word or syllable within an organum.