Definition of "quilisma" []

• In medieval musical notation, a sign or neume denoting a shake or trill. (noun)

The Century Dictionary (Public Domain)

• "In Cistercian Chant, one usually first notices the absence of the quilisma as well as the elimination of some of the repetitious melismas in the Graduals and Alleluias."
• "Yes, I knew that Cistercian and Dominican Chant have much in common, especially in regards the quilisma and the re-ordering of melodies to fit modal theories, but didn't want my post to be too long!"
• "We Dominicans don't have the quilisma either; and a number of our chants were rewritten to "correct" the modality."