E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Aetites (3 syl.).
Eagle - stones. (Greek, atos, an eagle.) Hollow stones composed of several crusts, one within another. Supposed at one time to form part of an eagles nest. Pliny mentions them. Kirwan applies the name to clay ironstones having a globular crust of oxide investing an ochrcous, kernel. Mythically, they are supposed to have the property of detecting theft.