‘Master of the feast’ (REB) was the master of ceremonies or ‘chief steward’ (John 2: 8, NRSV) who regulated the arrangements for drinking and music.
Citation for ruler of the feast
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
MLA
"ruler of the feast." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. May 25, 2013. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1644>.
Chicago
"ruler of the feast." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1644 (accessed May 25, 2013).