'Deflector' definitions:
Definition of 'deflector'
From: WordNet
noun
A device intended to turn aside the flow of something (water or air or smoke etc)
Definition of 'Deflector'
From: GCIDE
- Deflector \De*flect"or\, n. (Mech.) That which deflects, as a diaphragm in a furnace, or a cone in a lamp (to deflect and mingle air and gases and help combustion). [1913 Webster]