# Geometry meaning

The definition of geometry is a branch of math that focuses on the measurement and relationship of lines, angles, surfaces, solids and points.

An example of geometry is the calculation of a triangle's angles.

noun

A book about geometry.

noun

The branch of mathematics that deals with points, lines, planes, and figures, and examines their properties, measurement, and mutual relations in space.

noun

A physical arrangement suggesting geometric forms or lines.

noun

A specific system of geometry.

noun

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The mathematical study of the properties, measurement, and relationships of points, lines, planes, surfaces, angles, and solids.

(mathematics, uncountable) The branch of mathematics dealing with spatial relationships.

noun

(mathematics, countable) A type of geometry with particular properties.

Spherical geometry.

noun

(countable) The spatial attributes of an object, etc.

noun

### Origin of geometry

- Middle English
*geometrie**from*Old French*from*Latin*geōmetria**from*Greek*geōmetriā**from**geōmetrein**to measure land**geō-**geo-**metron**measure*mē-^{2}in Indo-European roots##### From American Heritage Dictionary of the English Language, 5th Edition

- From Old French
*géométrie*, from Latin*geometria*, from Ancient Greek*γεωμετρία*(geometría, “geometry, land-survey”), from*γεωμετρέω*(geometréo, “to practice or to profess geometry, to measure, to survey land”), back-formation from*γεωμέτρης*(geométrēs, “land measurer”), from*γῆ*(gē, “earth, land, country”) +*μετρέω*(metréō, “to measure, to count”) or*-μετρία*(-metria, “measurement”), from*μέτρον*(metron, “a measure”).##### From Wiktionary