Eaglestone

• (n.) A concretionary nodule of clay ironstone, of the size of a walnut or larger, so called by the ancients, who believed that the eagle transported these stones to her nest to facilitate the laying of her eggs; aetites.
Found on http://thinkexist.com/dictionary/meaning/eaglestone/

Eaglestone

Ea'gle·stone noun (Min.) A concretionary nodule of clay ironstone, of the size of a walnut or larger, so called by the ancients, who believed that the eagle transported these stones to her nest to facilitate the laying of her eggs; aëtites.
Found on http://www.encyclo.co.uk/webster/E/1
No exact match found