'Bacillus' definitions:

Definition of 'bacillus'

From: WordNet
noun
Aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil [syn: bacillus, B]

Definition of 'Bacillus'

From: GCIDE
  • 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]

Synonyms of 'bacillus'

From: Moby Thesaurus