Hypertext Webster Gateway: "tappen"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Tappen \Tap"pen\, n.
An obstruction, or indigestible mass, found in the intestine
of bears and other animals during hibernation.
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.