a combining form with the meanings âheight,â âtip end,â âextremities of the body,â used in the formation of compound words: acrophobia. Also, especially before a vowel, acr-. Origin of acro-. < Greek, combining form of Ã¡kros topmost, highest; akin to Latin Äcer sharp.
â¢ CANTUS FIRMUS (noun) The noun CANTUS FIRMUS has 1 sense: 1. a melody used as the basis for a polyphonic composition. Familiarity information: CANTUS FIRMUS used as a noun is very rare. Dictionary entry details.
The Benedictus, also known as the Canticle of Zechariah, is a fatherâs thanks for the gift of his son, John the Baptist. Some scholars say this canticle was added to the liturgy of the hours by St. Benedict of Nursia, who made the divine office a central part of Benedictine spirituality.