Freebase Definition: Cocaine which has been purified by dissolving in a heated solvent, and then burned and the fumes inhaled. Related Terms: Crack In Posters 'N Things, the United States Supreme Court adopoted this definition:"The term freebase means to purify cocaine by dissolving it in a heated solvent and separating and drying the precipitate or to use cocaine purified in this way by burning it and inhaling the fumes."REFERENCES:Dunaway v Commonwealth of Virginia, 663 SE 2d 117 (2008, Court of Appeals of Virginia)Posters 'N' Things, Ltd. v. United States, 511 US 513 (United States Supreme Court, 1994, footnote #3). Categories & Topics: Criminal Law Dictionary Find you are constantly looking up definitions? Try our search provider (works in most modern browsers) If you find an error or omission in Duhaime's Legal Dictionary, or if you have legal term suggestion, we'd love to hear from you!