Definitions for: Bacillus

[n] aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations

Webster (1913) Definition: Ba*cil"lus, n.; pl. Bacilli. [NL., for L. bacillum.
See Bacillarle.] (Biol.)
A variety of bacterium; a microscopic, rod-shaped vegetable
organism.

Synonyms: B, bacilli

See Also: eubacteria, eubacterium, genus Bacillus, true bacteria