Noun
The mystic number four, which was often symbolized to represent the Deity, whose name was expressed by four letters among some ancient nations; as, the Hebrew JeHoVaH, Greek qeo`s, Latin deus, etc.
Source: Webster's dictionaryDeep Purple's troubled North American record label, Tetragrammaton, delayed production of the Deep Purple album until after the band's 1969 American tour ended. Source: Internet
Portion of column 19 of the Psalms Scroll (Tehilim) from Qumran Cave 11. The Tetragrammaton in paleo-Hebrew can be clearly seen six times in this portion. Source: Internet
In most Orthodox and some Conservative synagogues, the entire congregation prostrates themselves at each point in the recitation where the Kohen Gadol (High Priest) would pronounce the Tetragrammaton (God’s holiest name, according to Judaism). Source: Internet
The Tetragrammaton was pronounced three times, once for each confession. Source: Internet