House' Un-Amer'ican Activ'ities Commit"tee
an investigative committee of the U.S. House of Representatives. Originally created in 1938 to inquire into subversive activities in the U.S., it was reestablished in 1945 as the Committee on Un-American Activities, renamed in 1969 as the Committee on Internal Security, and abolished in 1975. Abbr.: HUAC
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.