ambitus

/AE1 M B AH0 T AH0 S/
noun
  1. 1

    (music) The range of a melody, especially those of ecclesiastical chants.

  2. 2

    (botany, zoology) The exterior edge or border of a thing, such as a leaf or shell.

  3. 3

    (historical, Roman antiquity) A canvassing for votes.