'Raver' definitions:

Definition of 'raver'

(from WordNet)
noun
A participant in a rave dancing party
noun
Someone who rants and raves; speaks in a violent or loud manner [syn: ranter, raver]

Definition of 'Raver'

From: GCIDE
  • Raver \Rav"er\ (r[=a]v"[~e]r), n. One who raves. [1913 Webster]