ˈpəŋ(k)təm noun
( plural punc·ta -tə)
Etymology: Latin, puncture, point — more at point
1. obsolete : point
2. : a small area marked off in any way from a surrounding surface : dot , puncture
a punctum in a fossil shell
insect bites … may show the central tiny hemorrhagic punctum — Journal American Medical Association
3. : a neume indicating a single note which is usually higher than that preceding