connie agate noun a type of playing marble made from agate AUSTRALIA Perhaps from “cornelian,” with elision of the “r.”
TEACHER: “Well, what’s the matter now?” SMALL BOY: “Please, I’ve swallered Brown’s conny agate, an’ he wants it back.” — Norman Lindsay, ComicArtofNormanLindsay, p. 211, 1916
My collection of marbles consisted mainly of priceless connie agates handed down by Grandpa. — Clive James, UnreliableMemoirs, p. 19, 1980