tetragrammaton
Cross references: 1. yahweh tet.ra.gram.ma.ton \.te-tr*-'gram-*-.ta:n\ n [ME, fr. Gk, fr. neut. of tetragrammatos having four letters, fr. tetr]a- + grammat-, gramma letter - more at GRAM : the four Hebrew letters usu. transliterated Yhwh or Jhvh that form a bib lical proper name of God