The Collaborative International Dictionary
Tergant
Tergant \Ter"gant\, a. (Her.) Showing the back; as, the eagle tergant. [Written also tergiant.]
Wiktionary
tergant
a. (context heraldry English) Showing its back, having its back turned to the viewer. alt. (context heraldry English) Showing its back, having its back turned to the viewer.