Half a stream extraction operator :)
Okay, but seriously, Unicode has that listed as "greater than sign," and has several similar characters.
U+003E > greater-than sign
U+203A › single right-pointing angle quotation mark
U+232A 〉 right-pointing angle bracket
U+27E9 ⟩ mathematical right angle bracket
U+3009 〉 right angle bracket
http://unicode.org/charts/PDF/U0000.pdf