Usage examples (6)

• Meanwhile, if the thesaursus doll had legal definitions printed on it, I believe it would instead be an “onomasticon”.
• Appended to the lives are annotations, explaining any difficulties therein; while no less than five or six indexes adorn each volume: the first an alphabetical list of Saints...
• So the next time you need to use the word "thesaurus", prove you have amazing diction to your listeners and use onomasticon in its place.
• Mission archéol.institut. français, II, ii, 133; De Vit, Totius latinitatis onomasticon, IV (1887), cites all the passages from ancient authors, Greek and Latin, where...