Bacillus

from WordNet (r) 3.0 (2006)

bacillus
    n 1: aerobic rod-shaped spore-producing bacterium; often
         occurring in chainlike formations; found primarily in soil
         [syn: {bacillus}, {B}]

from The Collaborative International Dictionary of English v.0.48

Bacillus \Ba*cil"lus\, n.; pl. {Bacilli}. [NL., for L. bacillum.
   See {Bacillari[ae]}.] (Biol.)
   A variety of bacterium; a microscopic, rod-shaped vegetable
   organism.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

37 Moby Thesaurus words for "bacillus":
      adenovirus, aerobe, aerobic bacteria, amoeba, anaerobe,
      anaerobic bacteria, bacteria, bacterium, bug, coccus,
      disease-producing microorganism, echovirus, enterovirus,
      filterable virus, fungus, germ, gram-negative bacteria,
      gram-positive bacteria, microbe, microorganism, mold,
      nonfilterable virus, pathogen, picornavirus, protozoa, protozoon,
      reovirus, rhinovirus, rickettsia, spirillum, spirochete, spore,
      staphylococcus, streptococcus, trypanosome, vibrio, virus