1. (n.) A girdle; a cincture.

2. (n.) One of the five great divisions of the earth, with respect to latitude and temperature.

3. (n.) The portion of the surface of a sphere included between two parallel planes; the portion of a surface of revolution included between two planes perpendicular to the axis.

4. (n.) A band or stripe extending around a body.

5. (n.) A band or area of growth encircling anything; as, a zone of evergreens on a mountain; the zone of animal or vegetable life in the ocean around an island or a continent; the Alpine zone, that part of mountains which is above the limit of tree growth.

6. (n.) A series of planes having mutually parallel intersections.

7. (n.) Circuit; circumference.

8. (v. t.) To girdle; to encircle.

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