[1] : The Collaborative International Dictionary of English v.0.48

tappen \tap"pen\, n.
   an obstruction, or indigestible mass, found in the intestine
   of bears and other animals during hibernation.
   1913 webster

[2] : U.S. Gazetteer (1990)

tappen, nd city, fips 77980
  location: 46.87292 n, 99.62336 w
  population 1990: 239 114 housing units
  area: 3.3 sq km land, 0.0 sq km water
  zip codes: 58487

[3] : U.S. Gazetteer Places (2000)

tappen, nd -- u.s. city in north dakota
   population 2000:    210
   housing units 2000: 100
   land area 2000:     1.251960 sq. miles 3.242562 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    1.251960 sq. miles 3.242562 sq. km
   fips code:            77980
   located within:       north dakota nd, fips 38
   location:             46.875903 n, 99.633648 w
   zip codes 1990:     58487
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    tappen, nd
    tappen

Tappen >> T Words
Tappen, definition of term: Tappen
tappen_pag1.html