source: Public Domain

the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.

幾何学; 幾何学書

a particular system of geometry:

幾何学的配置, デザイン

e.g. non-Euclidean geometries.

in singular the shape and relative arrangement of the parts of something:

(物の)形状

e.g. the geometry of spiders' webs.

Middle English: via Old French from Latin geometria, from Greek, from gē ‘earth’ + metria (see -metry).