Used to label an unusually large number of occurrances of a disease or condition in one place. An autism cluster would be an unusually large number of cases of autism in (perhaps) a single locality. Clusters constitute evidence in the search for causes of diseases and conditions.
Top definition. jawn. a word used by Philly cats to describe anything and everything. NY cats interject with the word joint but it doesn't convey the same feelings.
Full Definition of GOON. 1. : a stupid person. 2. a: a man hired to terrorize or eliminate opponents b: enforcer 2b.See goon defined for English-language learners. See goon defined for kids.ADVERTISEMENT.ull Definition of GOON. 1. : a stupid person. 2. a: a man hired to terrorize or eliminate opponents b: enforcer 2b.