Hypertext Webster Gateway: "Tetragrammaton"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Tetragrammaton \Tet`ra*gram"ma*ton\, n. [NL., fr. Gr. ?; te`tra-
(see {Tetra-}) + ? a letter.]
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.
From WordNet (r) 1.7 (wn)
Tetragrammaton
n : four Hebrew letters (usually transliterated as YHWH (Yahweh)
or JHVH (Jehovah)) signifying the Hebrew name for God
(which the Jews regarded as too holy to pronounce) [syn:
{Tetragrammaton}]
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