'peacenik' definitions:

Definition of 'peacenik'

(from WordNet)
noun
Someone who prefers negotiations to armed conflict in the conduct of foreign relations [syn: dove, peacenik] [ant: hawk, war hawk]

Definition of 'peacenik'

From: GCIDE
  • peacenik \peacenik\ n. someone who prefers negotiations to armed conflict in the conduct of foreign relations. [Derog.]
  • Syn: dove. [WordNet 1.5]