STREPTOCOCCUS
streptococcus, streptococci, strep
(noun) spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis
Source: WordNet® 3.1
Etymology
Noun
streptococcus (plural streptococci)
A spherical, gram-positive bacterium of the genus Streptococcus. Although commonly found benignly in the human mouth and gut, and though many species are non-pathogenic, other species can cause diseases including strep throat and more serious conditions.
Synonyms: strep, strepto (clippings)
Source: Wiktionary
Strep`to*coc"cus, n.; pl. Streptococci. Etym: [NL., fr. Gr. (Biol.)
Definition: A long or short chain of micrococci, more or less curved.
Source: Webster’s Unabridged Dictionary 1913 Edition