A pincer gate (German: Zangentor) is a gate in a fortification that is deeply embedded between two inward angled exterior walls. Those wishing to enter the fort have to approach what is in effect a sunken road and, if hostile, can be attacked from both side walls in a pincer fashion.
- Horst Wolfgang Böhme, Reinhard Friedrich, Barbara Schock-Werner: Wörterbuch der Burgen, Schlösser und Festungen. Philipp Reclam, Stuttgart, 2004, ISBN 3-15-010547-1, pp. 241–242.