A third, distinct patch of hair between two separated eyebrows.
I rubbed my tribrow to activate my superpowers
by Master Q June 28, 2003
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What you call the tuft of hair growing in the area between regular eyebrows, only with a space either side therefore creating a third eyebrow.
Justin Theroux has 3 eyebrows.
Tribrow, yeah, I know. But he's a little hot body.
by TheDukeHerself April 5, 2006
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