'Smiler' definitions:

Definition of 'smiler'

From: WordNet
noun
A person who smiles
noun
The human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British) [syn: countenance, physiognomy, phiz, visage, kisser, smiler, mug]

Definition of 'Smiler'

From: GCIDE
  • Smiler \Smil"er\, n. One who smiles. --Tennyson. [1913 Webster]