MWU, MWUD, Webster's Third New International Dictionary of the English Language Unabridged
Merriam-Webster's Collegiate Dictionary and Thesaurus, MWCD, MWCT, MWCD&T, MWCD+T
Merriam-Webster's Medical Dictionary, Spanish-English, French-English, Concise Encyclopedia
Provides 700,000 definitions of 476,000 words, including 5,000 new entries added since the publication of the most recent print edition, plus: etymologies; illustrative quotations from skilled writers and additional example sentences to clarify meanings; synonyms and antonyms; usage guidance for commonly misused words; nearly 1,000 pictorial illustrations; audio pronunciations; and expanded & advanced search features including access to the Merriam-Webster citation files
Incorporates other Merriam-Webster reference works including the Collegiate® Dictionary, Thesaurus, and Encyclopedia; Medical, Spanish-English, and French-English Dictionaries.
Continuously updated edition. Based on Webster's Third New International Dictionary of the English Language Unabridged.