toponym

[ top-uh-nim ]
/ ˈtɒp ə nɪm /

noun

a place name.
a name derived from the name of a place.

Origin of toponym

1890–95; top- + -onym, or by back formation from toponomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for toponym

toponym

/ (ˈtɒpənɪm) /

noun

the name of a place
any name derived from a place name
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