jargon

jar·gon

noun \ˈjär-gən, -ˌgän\

Definition of JARGON

1

: the technical terminology or characteristic idiom of a special activity, group, profession, or field of study <medical jargon>

2

: unintelligible, meaningless, or incoherent speech (as that associated with Wernicke's aphasia or some forms of schizophrenia)