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 stun. stunned. ; stunning. transitive verb. 1 : to make senseless, groggy, or dizzy by or as if by a blow : daze. 2 : to shock with noise. 3 : to overcome especially with paralyzing astonishment or disbelief.