sumpter \sump"ter\, a.
   carrying pack or burdens on the back; as, a sumpter horse; a
   sumpter mule. --bacon.
   1913 webster

sumpter \sump"ter\, n. of. sommetier the driver of a pack
   horse; akin to of.  f. sommier a pack horse, l. sagmarius,
   fr. sagma a pack saddle, in ll., a load, gr. ? a pack saddle,
   fr. ? to pack, load; cf. skr. saj, sa~nj, to hang on. cf.
   seam a weight, summer a beam.
   1. the driver of a pack horse. obs. --skeat.
      1913 webster

   2. a pack; a burden. obs. --beau.  fl.
      1913 webster

   3. an animal, especially a horse, that carries packs or
      burdens; a baggage horse. --holinshed.
      1913 webster
see also:
seam summer 

sumpter
     n : an animal such as a mule or burro or horse used to carry
         loads syn: pack animal
see also:
pack animal 

57 moby thesaurus words for "sumpter":
   siberian husky, ass, beast of burden, bidet, camel, carriage horse,
   cart horse, cavalry horse, draft animal, draft horse, dray horse,
   driving horse, dromedary, elephant, fill horse, filler, gigster,
   hack, hackney, hinny, horse, hunter, husky, jennet, jument, lead,
   leader, llama, malamute, mount, mule, ox, pack horse, palfrey,
   plow horse, pole horse, polo pony, post-horse, reindeer, remount,
   rider, riding horse, road horse, roadster, rouncy, saddle horse,
   saddler, shaft horse, sledge dog, stalking-horse, sumpter horse,
   sumpter mule, thill horse, thiller, wheeler, wheelhorse,
   workhorse

sumpter, or city, fips 71000
  location: 44.74385 n, 118.19586 w
  population 1990: 119 196 housing units
  area: 5.6 sq km land, 0.0 sq km water
  zip codes: 97877

sumpter, or -- u.s. city in oregon
   population 2000:    171
   housing units 2000: 215
   land area 2000:     2.180118 sq. miles 5.646480 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    2.180118 sq. miles 5.646480 sq. km
   fips code:            71000
   located within:       oregon or, fips 41
   location:             44.746229 n, 118.199149 w
   zip codes 1990:     97877
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    sumpter, or
    sumpter