sarcina

noun

sar·​ci·​na ˈsär-si-nə 

1

capitalized : a genus of bacteria (family Peptococcaceae) that are gram-positive cocci, are mostly harmless saprophytes but include a few serious brewery pests, and have cells which under favorable conditions divide in three directions into cubical masses

2

plural sarcinas or sarcinae -nē  : any bacterium of the genus Sarcina