/mag nif"i kat', -kaht'; mahg nif"i kaht', mahn yif"-/ , n.
1. ( italics ) the hymn of the Virgin Mary in Luke, 1:46-55, beginning "My soul doth magnify the Lord," used as a canticle at evensong or vespers.
2. a musical setting for this.
[ 1150-1200; ME ]