The word ‘cull’ is a verb that means to select or gather items from a larger group, often with the intention of removing or discarding those that are deemed undesirable, inferior, or unnecessary. It can also refer to the act of reducing a population, such as animals in a herd, by selective slaughter or removal. In a more general sense, it can involve choosing the best or most useful items from a collection.
As a noun, ‘cull’ refers to the items or individuals that have been selected or removed from a larger group.
Overall, the term often carries connotations of selection for quality or necessity.