eaglestone: Meaning and Definition of

ea•gle•stone

Pronunciation: (?'gul-st?n"), [key]
? n.
  1. a concretionary lump of ironstone about the size of a walnut, formerly believed to be carried by eagles to their nests as a magical aid in laying eggs.
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.