Dictionary.com
definitions

spherical geometry

noun
  1. the branch of geometry that deals with figures on spherical surfaces.

Origin of spherical geometry

First recorded in 1720–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for spherical geometry

spherical geometry

noun
  1. the branch of geometry concerned with the properties of figures formed on the surface of a sphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
spherical geometry in Science

spherical geometry

  1. The geometry of circles, angles, and figures on the surface of a sphere.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.