ge·om·e·try (jē-ŏm'ĭ-trē)
n., pl., -tries.

1. 1. The mathematics of the properties, measurement, and relationships of points, lines, angles, surfaces, and solids.
   2. A system of geometry: Euclidean geometry.
   3. A geometry restricted to a class of problems or objects: solid geometry.
   4. A book on geometry.
2. 1. Configuration; arrangement.
   2. A surface shape.
3. A physical arrangement suggesting geometric forms or lines.

[Middle English geometrie, from Old French, from Latin geōmetria, from Greek geōmetriā, from geōmetrein, to measure land : geō-, geo- + metron, measure.]

geometrician ge·om'e·tri'cian (jē-ŏm'ĭ-trĭsh'ən, jē'ə-mĭ-) or ge·om'e·ter n.

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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.

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