| comma bacillus | |
| —n | |
| a comma-shaped bacterium, Vibrio comma, that causes cholera in man: family Spirillaceae | |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a chattering or flighty, light-headed person. |
comma bacillus com·ma bacillus (kŏm'ə)
n.
See Koch's bacillus.