Hypertext Webster Gateway: "deflector"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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).
From WordNet (r) 1.7 (wn)
deflector
n : a device intended to turn aside the flow of something (water
or air or smoke etc)
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