common time

WordReference Random House Unabridged Dictionary of American English © 2025

com′mon time′, [Music.]

1. Music, Music and Dance a meter or tempo of four beats per measure, with each of four quarter notes receiving a single beat. Symbol: C Also called common measure. 

• 1665–75

Collins Concise English Dictionary © HarperCollins Publishers::

common time noun

1. a time signature indicating four crotchet beats to the bar; four-four time
   Symbol: C