Noun spirillum has 2 senses
- spirillum - spirally twisted elongate rodlike bacteria usually living in stagnant water
--1 is a kind of eubacteria, eubacterium, true bacteria; eubacteria, eubacterium, true bacteria; eubacteria, eubacterium, true bacteria; eubacteria, eubacterium, true bacteria
--1 is a member of genus Spirillum
--1 has particulars: ratbite fever bacterium, Spirillum minus
- spirillum, spirilla - any flagellated aerobic bacteria having a spirally twisted rodlike form
--2 is a kind of eubacteria, eubacterium, true bacteria; eubacteria, eubacterium, true bacteria
,