Merriam Webster's School Dictionary

A dictionary written especially for grades 9–11, ages 14 and up. Features more than 100,000 definitions and 28,000 usage examples. New vocabulary includes haptics, farro, cybercrime, off-grid, and paywall. More than 500 synonym paragraphs, 200 word history paragraphs that clarify meaning, and nearly 1,000 illustrations. Special sections include biographical names, geographical names, and signs and symbols. An excellent resource for college test prep.