n. A word or phrase (such as adieu or farewell) said upon leaving.
n. A word or phrase used to end a letter or message.
the GNU version of the Collaborative International Dictionary of English
n. A farewell; a bidding farewell.
The Century Dictionary and Cyclopedia
A farewell; a bidding farewell.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)
n. the act of saying farewell
Word Usage
"Roth gives the best lines in valediction to a pro-war speechmaker, the unpolished Republican pol Albin Lentz, who is the president of Winesburg College."