spirillum

(spī-rĭl'əm)
n., pl., -ril·la (-rĭl'ə).

1. Any of various aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing a tuft of flagella.
2. Any of various other spiral-shaped microorganisms.

[New Latin Spīrillum, genus name, diminutive of Latin spīra, coil. See spire².]

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(spī-rĭl'əm)
n., pl. -ril·la (-rĭl'ə).

1. A member of the genus Spirillum.
2. Any of various other spiral-shaped microorganisms.

Pl. spirilla [L.]
1. a spiral-shaped bacterium.
2. a member of the genus Spirillum.

For a list of words related to spirillum, see:

• Diagnostic Terminology - spirillum: spiral bacterium

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