the GNU version of the Collaborative International Dictionary of English
n. One who smiles.
The Century Dictionary and Cyclopedia
n. One who smiles; one who looks smilingly, as from pleasure, derision, or real or affected complaisance.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
n. a person who smiles
Word Usage
"When I saw it, I was surprised, too, that it didn't get a laugh ... then I decided it was not a "knee-slapper" as we used to call it ... it was a "smiler" and a "Yeah, I did something like that once" joke."