Vocabulary Entry

volvelle

|noun

noun

A volvelle is a wheel or disk that rotates and is often used in manuscripts, particularly in the medieval period, to present various information such as calculations or astronomical data.

Example Sentences

"The ancient manuscript featured a beautifully illustrated volvelle that detailed the phases of the moon."

"Scholars studied the volvelle to understand how medieval scientists calculated eclipses."

"The volvelle on the page spun around, revealing different charts depending on the alignment of its parts."