pyococcus

noun
pyo·​coc·​cus | \ ˌpī-ō-ˈkäk-əs How to pronounce pyococcus (audio) \
plural pyococci\ -​ˈkäk-​(s)ī How to pronounce pyococci (audio) \

Medical Definition of pyococcus

: any coccoid bacterium that tends to form pus