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Webster's Dictionary (1865)

Ām'bī-tūs, n.

noun

n. [Lat. ambitus. See AMBIT and AMBITION.]

  1. The circumference or exterior edge or border of a thing, as the border of a leaf, or the outline of a bivalve shell.
  2. (Arch.) The open space surrounding a building or tomb. Gavilt.
  3. (Com. Hist.) A canvassing for votes by candidates for office.