Spirillum

n.

1.

(Biol.) A genus of common motile microörganisms (Spirobacteria) having the form of spiral-shaped filaments. One species is said to be the cause of relapsing fever.

Noun	1.	spirillum - spirally twisted elongate rodlike bacteria usually living in stagnant water
	2.	spirillum - any flagellated aerobic bacteria having a spirally twisted rodlike form Synonyms: spirilla

eubacteria, eubacterium, genus Spirillum, ratbite fever bacterium, Spirillum minus, true bacteria