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Black's Law Dictionary is the most widely cited legal reference work in the English-speaking world. This website presents the complete 2nd Edition (1910) — now in the public domain — in a fully searchable, easy-to-browse format.

Each entry includes the original 1910 definition, and where relevant, we add modern UK law commentary and updates to help you understand how these concepts apply today.

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About this edition: The 2nd Edition of Black's Law Dictionary was published in 1910 by Henry Campbell Black (1860–1927). This work is in the public domain worldwide. Modern UK commentary and updates on this site are original additions and remain the copyright of the site owner.