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.
Definition of PLATEN. 1. : a flat plate; especially: one that exerts or receives pressure (as in a printing press).2. : the roller of a typewriter or printer. ADVERTISEMENT.. : a flat plate; especially: one that exerts or receives pressure (as in a printing press).