onomasticon n 1: a list of proper nouns naming persons or places
Onomasticon \On`o*mas"ti*con\, n. [NL., fr. Gr. ? (sc.?), fr. ?. See {Onomastic}.] A collection of names and terms; a dictionary; specif., a collection of Greek names, with explanatory notes, made by Julius Pollux about a. d. 180. [1913 Webster]