Such interaction is known as predator-prey relationship for example relation of a Gazelle and a Lion.
Commensalism
cannibalism
A word meaning interaction in which one organism kills and eats another is carnivore. Carnivorous is a classification of animal often used to describe mammals that eat meat.
food chain
it is called predation.
predation
An organism that kills and eats all or part of another organism is called a carnivore.
carnivores
This interaction is called predation.
that would technically be classified as a predator.
predator-prey relationship
predator - prey relationship