The American Heritage Dictionary of the English Language, Fifth Edition is a highly regarded dictionary reference book that offers a comprehensive and authoritative coverage of American English. It contains over 10,000 new words and senses, along with detailed definitions and usage examples. This dictionary also includes etymologies, regional variations, and comprehensive guidance on grammar and style. It is known for its user-friendly format and innovative features, such as the Word Histories and Usage Notes. With its rich content and reliable information, The American Heritage Dictionary is a valuable resource for students, writers, and language enthusiasts.