noun
definition
A device with a mesh, grate, or otherwise perforated bottom to separate, in a granular material, larger particles from smaller ones, or to separate solid objects from a liquid.
definition
A process, physical or abstract, that arrives at a final result by filtering out unwanted pieces of input from a larger starting set of input.
definition
(obsolete) A kind of coarse basket.
definition
(colloquial) A person, or their mind, that cannot remember things or is unable to keep secrets.
definition
(medicine, slang, derogatory) An intern who lets too many non-serious cases into the emergency room.
definition
(category theory) A collection of morphisms in a category whose codomain is a certain fixed object of that category, which collection is closed under precomposition by any morphism in the category.