IPA: /mɛnˈzʊrəl/
KK: /mɛnˈzʊrəl/
Relating to measurement or having fixed rhythmic values in music.
The mensural notation used in the 13th century allowed composers to specify exact note durations.
Mensural is derived from "mensura" (meaning measure) in Latin, combined with the suffix "-al" (meaning pertaining to). The word mensural refers to something that is related to measurement, particularly in a musical context.
Think of 'measure' ('mensura') to remember that 'mensural' pertains to measurement, especially in music.