Easton's Bible Dictionary (id.) occurs only twice in the New Testament (Mark 10:51, A.V., "Lord, " R.V., "Rabboni;" John 20:16). It was the most honourable of all the titles. Int. Standard Bible Encyclopedia RABBONI rab-o'-ni, rab-o'-ni (rhabboni, "my great master" (Mark 10:51); rhabbouni (Westcott-Hort rhabbounei), (John 20:16)).of agoraios (literally, "lounger in the market place"), in Acts 17:5, where it replaces "baser sort" of the King James Version. It has the common meaning of an unruly, lawless set who are ready to join a mob. See RABBI.

Multi-Version Concordance Rabboni (2 Occurrences) Mark 10:51 Jesus asked him, "What do you want me to do for you?" The blind man said to him, " Rabboni, that I may see again." (WEB WEY ASV DBY YLT NAS) John 20:16 Jesus said to her, "Mary." She turned and said to him, " Rabboni!" which is to say, " Teacher (WEB KJV WEY ASV BBE DBY WBS NAS NIV)