The Collaborative International Dictionary of English v.0.48:

goose bumps \goose bumps\ n.
   Same as gooseflesh.
   [PJC]

The Collaborative International Dictionary of English v.0.48:

gooseflesh \gooseflesh\ n.
   A peculiar roughness of the skin produced by cold or fear, in
   which the hair follicles become erect and form bumps on the
   skin; -- called also goose skin, goose pimples, goose
   bumps.

   Syn: goose bumps, goose pimples, goose skin.
        [WordNet 1.5]

Moby Thesaurus II by Grady Ward, 1.0:

50 Moby Thesaurus words for "goose bumps":
   ache, aching, agitation, broken ground, broken water, chilblains,
   chill, chilliness, chilling, chills of fear, chop, cold creeps,
   cold shivers, cold sweat, corduroy, corduroy road, corrugation,
   creeps, cryopathy, disquiet, disquietude, dithers, duck bumps,
   fear and trembling, formication, frostbite, goose pimples,
   gooseflesh, heartquake, horripilation, inquietude, jimjams, kibe,
   lop, nervousness, palpitation, perturbation, quaking,
   quiver of terror, ripple, rough, sandpaper, shivering, shivers,
   sweat, thrill of fear, trepidation, trepidity, uneasiness,
   washboard