DCHP-1 Online
beaver stone 
one of the two small sacs in a bear's groin from which castoreum is obtained.
See also: castoreum
- 1696 (1929) To day the governor took from Andrew Johnson all his beaver reason he traded some of it with an indian called whiskers. Likewise some small matter of Beaver stones that is about 6 Beaver and as many stones.
- 1743 (1949) Beaver Stone or castorum.
- 1696 (1929) To day the governor took from Andrew Johnson all his beaver reason he traded some of it with an indian called whiskers. Likewise some small matter of Beaver stones that is about 6 Beaver and as many stones.