Rab″bi (răb″bī or –bĭ; 277), n.; pl.Rabbis (–bīz or –bĭz) or Rabbies. [L., fr. Gr. ραββἵ, Heb. rabī my master, from rab master, lord, teacher, akin to Ar. rabb.] Master; lord; teacher; — a Jewish title of respect or honor for a teacher or doctor of the law. “The gravest rabbies.” Milton.
Be not ye called Rabbi, for one is your Master, even Christ, and all ye are brethren. Matt. xxiii. 8.