special-interest group

[ spesh-uh l in-ter-ist, in-trist ]
/ ˈspɛʃ əl ˈɪn tər ɪst, ˈɪn trɪst /

noun

Also called special interest. a body of persons, corporation, or industry that seeks or receives benefits or privileged treatment, especially through legislation.
Digital Technology. a subgroup within a user group where members share information or research in specialized fields. Abbreviation: SIG

Origin of special-interest group

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019