There are many varieties of round knives, they can be called Rotary knives or circular for certain knives, but there is more, I have listed some sites:
* http://www.appliedcutting.com/?gclid=CLCD6uDY4JUCFR8SQQodKQvNXw* http://www.tandyleatherfactory.co.uk/pc-70843-205-osborne-70-round-knife.aspx* http://www.patentstorm.us/patents/6327783/description.html
-Chopping -Cutting -Stabbing -ETC
Knives are used to mostly cut food and other parts of packaging that may be difficult to open.
Cutting pizzas into wedges
A round knife is a knife used to work with leather. It has an axe-like rounded blade that cuts leather with a rolling action of the sharp edge.
a knife that is round
If you mean a R.E.K.A.T (round eye knife and tool), there is no German word for this definition.
in the horse world, i think its a cutting knife or a trimmer, but im not entirely sure.
Any knife used for fishing
A rescue knife is used in emergency situations such as a fire or physical injury. A hunting knife is used for outdoors activity and for cleaning game,
A trench knife is distinguished from other types of knives because a trench knife is used for close-quarter fighting. Other knives such as the combat knife is used by soldiers in the field, but is also used for fighting.
Another name for a soft knife would be soft knife an a straight knife.Maybe even a rounded knife
A palette knife.
obsidian knife
the history of theb knife is...that it used to be a stick
The knife used in the swamp looks to be a Jefferson Spivey sabertooth...