Definition of "punctus"

In the sacerdotal prayers in col. a the punctuation is by punctus flexus, punctus elevatus and punctus.

1993, Malcolm Beckwith Parkes, Pause and Effect‎, Plates and Commentaries, page 197

The most common item of punctuation was the punctus or point.

2011 July 22, Tadao Kudouchi, edited by Akio Oizumi and Jacek Fisiak, English Historical Linguistics and Philology in Japan‎, De Gruyter, page 172

Curiously, the punctus versus was largely replaced with a punctus by ca.1100.

2015 August 31, “Medieval Manuscripts”, in Albrecht Classen, editor, Handbook of Medieval Culture‎, volume 2, De Gruyter, page 1015