toponomy

WORDNET DICTIONARY

toponomy(n = noun.communication) toponymy - the nomenclature of regional anatomy;

is a kind of language, nomenclature, terminology

toponomy(n = noun.cognition) toponymy - the branch of lexicology that studies the place names of a region or a language;

is a kind of lexicology

toponomy, n. [Gr. place + to distribute.].

The designation of position and direction. B. G. Wilder. [1913 Webster]