The navaja is a traditional Spanish folding-blade fighting and utility knife.
A contemporary navaja of traditional design, with a 12-inch (300 mm) blade
A priest executed by garotte by French forces under Napoleon for carrying a navaja
Navaja dating to c. 1790; it has a yataghan style blade, a stag-horn handle and the pull-ring for disengaging the blade-locking mechanism is clearly visible
Painting by the French artist Joseph Saint-Germier "La Navaja", 1888. The painting depicts a fight to the death using specific Spanish Navajа knives.
A fighting knife has a blade designed to most effectively inflict injury in close-quarters physical confrontations. The combat knife and the trench knife are examples of military fighting knives.
An assortment of fighting knives
Top: Bowie Knife c. 1850s Bottom: Naval Bowie Knife c. 1860s
M1918 Trench Knife
U.S. Marine KA-BAR Knife