biologist

from WordNet (r) 3.0 (2006)

biologist
    n 1: (biology) a scientist who studies living organisms [syn:
         {biologist}, {life scientist}]

from The Collaborative International Dictionary of English v.0.48

Biologist \Bi*ol"o*gist\, n.
   A student of biology; one versed in the science of biology.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

33 Moby Thesaurus words for "biologist":
      anatomist, animal physiologist, anthropologist, bacteriologist,
      biochemist, biometrist, biophysicist, botanist, conchologist,
      cytologist, ecologist, entomologist, ethologist, geneticist,
      helminthologist, herpetologist, ichthyologist, malacologist,
      mammalogist, natural scientist, naturalist, ophiologist,
      ornithologist, physiologist, protozoologist, taxidermist,
      zoo-ecologist, zoographer, zoologist, zoonomist, zoopathologist,
      zoophysicist, zootaxonomist