1. An external boundary; a circuit.
2. Sphere or scope. See synonyms at range.

[Latin ambitus, from past participle of ambīre, to go around. See ambient.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.