American Civil Liberties Union: Meaning and Definition of

Amer'ican Civ'il Lib'erties Un"ion

Pronunciation: [key]
  1. an organization founded in 1920 to defend the civil rights of all U.S. citizens. Abbr.: ACLU, A.C.L.U.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.