Latin for a secretary. Paul dictated letters to Tertius (Rom. 16: 22), who wrote on his behalf. It is sometimes held that Silvanus is responsible for the Greek style of 1 Peter (see 1 Pet. 5: 12).
Citation for amanuensis
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
MLA
"amanuensis." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. Jun 18, 2013. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e81>.
Chicago
"amanuensis." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e81 (accessed Jun 18, 2013).