Definition of "mensural" [men•su•ral]

• Of or relating to measure. (adjective)
• Music Having notes of fixed rhythmic value. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In these and other works Ockeghem's compositional choices seem game-like, especially to singers reading from the original mensural notation."
• "This peculiarity and the fact that these mixed forms employ both mensural and modal notation in alternation pose problems for the performer which can only be solved, as Higinio Anglès pointed out, by subjective musical sensibility."
• "At the same time new techniques of composition evolved and were refined: the various sections of Mass settings were unified by means of a constantly recurring cantus firmus and by identical biginnings to the movements, while increasingly complex canonic techniques were developed, and the number of voices and sections, the mensural succession and even compositional techniques were established for certain types of motets."