coccus/ˈkɒ.kəs/EtymologyFrom New Latin, from Latin coccum, from Ancient Greek κόκκος (kókkos, “grain, seed”).coccus means any approximately spherical bacterium. Lexicurio rates it Rare gem — a strength score of 83 out of 100.coccus is pronounced /ˈkɒ.kəs/.nounAny approximately spherical bacterium.One of the carpels or seed-vessels of a dry fruit.