## Definition of geometry

**:**a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids; broadly

**:**the study of properties of given elements that remain invariant under specified transformations

**:**a particular type or system of geometry

- Euclidean geometry

**:**configuration

**:**surface shape (as of a mechanical part or a crystal)

**:**an arrangement of objects or parts that suggests geometric figures

- the geometry of neoclassical architecture