Home › Words › S › strepstrep/stɹɛp/strep means A streptococcus.Among words judged in Lexicurio's Arena, strep ranks #36,524 of 42,747 for Qualifying.strep is pronounced /stɹɛp/.EtymologyClipping of streptococcus.nounA streptococcus.Definitions & examples from Wiktionary (CC BY-SA 3.0).