Jehovah a form of the Hebrew name of God used in some translations of the Bible. The name comes from medieval Latin Iehouah, Iehoua, from Hebrew YHWH or JHVH, the consonants of the name of God, with the inclusion of vowels taken from 'ăḏōnāy ‘my lord’.
Jehovah's Witness a member of a fundamentalist Christian sect (the Watch Tower Bible and Tract Society) founded in the US by Charles Taze Russell (1852–1916), denying many traditional Christian doctrines (including the divinity of Christ) but preaching the Second Coming of Christ, and refusing military service and blood transfusion on religious grounds.

Jehovah Latinized representation of the name of the God of the Israelites. The name Jehovah developed during the Middle Ages from the Latin framework of the sacred name Yahweh (JHVH) and the vowels from Adonai (short a, o, and a).

Jehovah. Eng. vocalization of the four consonants that make up the tetragrammaton. It is erroneous, since it took the vowels of adonai (‘my lord’) which were inserted into printed or written texts to prevent any attempt to pronounce the name of God.

Je·ho·vah / jəˈhōvə/ • n. a form of the Hebrew name of God used in some translations of the Bible.