noun Medieval Music.
Examples from the Web for prolation
Prolation, together with tempus, corresponds roughly to the concept of time signature in modern music.
Prolation is a term used in the theory of medieval music to describe its rhythmic structure on a small scale.
They had the eternity from one word, and the prolation, the emanation from another word.A Philosophical Dictionary, Volume 10 (of 10)|Franois-Marie Arouet (AKA Voltaire)