ecumenicist: Meaning and Definition of

ec•u•men•i•cist

Pronunciation: (ek"yoo-men'u-sist or, esp. Brit., ē"kyoo-), [key]
— n.
  1. a person who advocates Christian ecumenicity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.