Okay - welcome to German word of the day - first of all it is Thüringer Bratwurst not "Theuringer" 
Also - "Brat" means "roast", not ground meat, since ground meat would be Brät.
To make things a bit more complicated - technically it's a "Rostbratwurst", which means traditionally you do it on a charcoal grill, since "Rost" means grille/grate.

Also - "Brat" means "roast", not ground meat, since ground meat would be Brät.
To make things a bit more complicated - technically it's a "Rostbratwurst", which means traditionally you do it on a charcoal grill, since "Rost" means grille/grate.