Any of several mostly anaerobic gram-positive bacteria, of the genus Clostridium, that are present in the soil and in the intestines of humans and animals and are capable of forming spores

(countable, mathematics) A mathematical proof that contains logical errors. / (countable, uncountable) Evidence or convincing argument that misleads one to the wrong conclusion.

Third-person singular simple present indicative form of blue-ball

Resembling or characteristic of a hermit