Rabboni

From BibleEncyclopedia.Net

rab-ō´nī, rab-ō´ni (ῥαββονί, rhabboní, “my great master” (Mark 10:51); ῥαββουνί, rhabbouní (Westcott-Hort ῥαββουνεί, rhabbouneí), (John 20:16)):

It occurs only twice in the New Testament (Mark 10:51, KJV, “Lord,” R.V., “Rabboni;” John 20:16). It was the most honourable of all the titles.

See Rabbi.