, the process of culling usually implies the killing of animals with undesirable characteristics. Origin of the term The word comes from the Latin colligere, which means collect. The term can be applied broadly to mean sorting a collection into two groups: one that will be kept and one that will be rejected. The cull is the set of items rejected during the selection process. For example, if you were to cull a collection of marbles such that only red marbles are chosen, the cull would be the set… (More on Culling)