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.
1. âAuthorized remote stun gunâ means a remote stun gun that has all of the following: (a) An electrical discharge that is less than one hundred thousand volts and less than nine joules of energy per pulse. (b) A serial or identification number on all projectiles that are discharged from the remote stun gun.