What is "toponomy"

Toponomy \To*pon"o*my\, n. [Gr. ? place + ? to distribute.] The designation of position and direction.
--B. G. Wilder.

n. (alternative spelling of toponymy English)

1. n. the nomenclature of regional anatomy [syn: toponymy]

2. the branch of lexicology that studies the place names of a region or a language [syn: toponymy]