Coccus (noun)

1. A spherical or nearly spherical bacterium.
2. A type of microorganism that has a spherical shape and is typically found in clusters.

Origin:

Derived from greek kókkos (grain, seed).

Examples:

1. The coccus bacteria were the cause of the infection.
2. The coccus cells were visible under the microscope.
3. The coccus are often found in clusters, forming colonies.
4. Coccus are a common type of bacteria found in the human body.
5. Some species of coccus are resistant to antibiotics.