Axstone is a variety of jade. It is used by natives of the South Sea Islands for making axes and hatchets. ...
• (n.) A variety of jade. It is used by some savages, particularly the natives of the South Sea Islands, for making axes or hatchets.
Ax'stone` noun (Min.) A variety of jade. It is used by some savages, particularly the natives of the South Sea Islands, for making axes or hatchets. 
Axstone (axe-stone) is a variety of jade. It is used by some native peoples, particularly the natives of the South Sea Islands, for making axes or hatchets.