Geometry (noun)

1. The branch of mathematics concerned with the properties, measurement, and relationships of points, lines, angles, surfaces, and solids.
2. The study of shapes, sizes, relative positions, and dimensions of objects and the relationships between them.

Origin:

From the greek words 'geo' meaning 'earth' and 'metron' meaning 'measure'.

Examples:

1. She has a strong background in geometry and uses this knowledge in her work as an architect.
2. Geometry is an important subject for understanding more advanced mathematical concepts.
3. The geometry of the building's design is both beautiful and functional.
4. He uses geometry to solve problems in physics and engineering.
5. Geometry is a fundamental aspect of our understanding of the world around us.