1. emphasizing Holy Spirit: belonging or relating to any Christian denomination that emphasizes the workings of the Holy Spirit, interprets the Bible literally, and adopts an informal demonstrative approach to religious worship
2. of Pentecost: relating to the Christian festival of Pentecost
noun (pluralPen·te·cos·tals)
Definition:
member of Pentecostal denomination: a member of a Pentecostal denomination