Instead it behaves like a combining character. So typing a character, then the ⋘ char, and then another.. the ⋘ symbol is drawn on top of the 2nd char (but isn't on other display devices I regularly use (SecureCRT, gvim (in X or Win7 GUI version). Am guessing it got misclassified ...?
Vte bug (the terminal widget). Report upstream in gnome bugtracker.