noun

• The process or act of selecting.
• Something selected.
• A variety of items taken from a larger collection.
• A musical piece.
• (databases) A set of data obtained from a database using a query.
• (linguistics) The ability of predicates to determine the semantic content of their arguments. ᵂᵖ
• (programming) A list of items on which user operations will take place. ᵂᵖ
• (algebra) A unary operation that denotes a subset of a relation.
• (historical) The free selection before survey of crown land in some Australian colonies under land legislation introduced in the 1860s. ᵂᵖ
• (biology) The stage of a genetic algorithm in which individual genomes are chosen from a population for later breeding. ᵂᵖ
• (biology) Ellipsis of natural selection. [(evolutionary theory) A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated; the differential survival and reproduction of phenotypes.]