Spirillum

[spai'rilәm]

Definition

(noun.) any flagellated aerobic bacteria having a spirally twisted rodlike form.

(noun.) spirally twisted elongate rodlike bacteria usually living in stagnant water.

Edited by Alexander--From WordNet

Definition

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

Typist: Paul

Definition

n. a genus of bacteria with cylindrical spirally twisted cells:—pl. Spirill′a.

Checker: Sumner