the GNU version of the Collaborative International Dictionary of English
n. One who argues; a reasoner; a disputant.
The Century Dictionary and Cyclopedia
n. One who argues; a reasoner; a disputer.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. someone who engages in debate
Word Usage
"This imperative will often be combined with a defensive assumption that the arguer is only exercising linguistic fluency in a hostile attempt to remind the anti-intellectual of their inferior articulacy."