a geometrid moth or larva.

Origin of geometer

1375–1425; late Middle English gemeter < Late Latin geōmeter, for Latin geōmetrēs < Greek geōmétrēs, equivalent to geō- geo- + -metrēs, derivative of métron measure; see -meter Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for geometer

Historical Examples of geometer

  • The bee is more, a geometer; the ant is before all remarkable as an educator.

    The Insect

    Jules Michelet

  • From a carpenter he becomes a joiner, a cabinet-maker; from a cabinet-maker, a geometer!

    The Bird

    Jules Michelet

  • This turned out to be the larva of a geometer two inches long.

    Darwinism (1889)

    Alfred Russel Wallace

  • The Euclidean geometer can take it for granted that the reader understands what a line or plane, a solid or an angle is.

    The Philosophy of Spinoza

    Baruch de Spinoza

  • The French geometer, Legendre, gave a rigorous proof by reductio ad absurdum.

    The Teaching of Geometry

    David Eugene Smith

British Dictionary definitions for geometer


geometrician (dʒɪˌɒmɪˈtrɪʃən, ˌdʒiːəʊmɪ-)


a person who is practised in or who studies geometry
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

Word Origin and History for geometer

late 15c., from Latin geometres, from Greek geometres "land-measurer" (see geometry).

Online Etymology Dictionary, © 2010 Douglas Harper