Adonai
Pronunciation : Ad`o*na"i
Part of Speech : n. [Heb. adonai
Definition : Defn: A Hebrew name for God, usually translated in the Old Testament by the word "Lord".
The later Jews used its vowel points to fill out the tetragrammaton Yhvh, or Ihvh, "the incommunicable name," and in reading substituted "Adonai".
Source : Webster's Unabridged Dictionary, 1913