‖Ad′o‐na″i (?), n. [Heb. adōnāi, lit., my lord.] 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”.