The Merriam-Webster pocket dictionary

25,000 VOCABULARY ENTRIES, 500 PAGES
This pocket-sized dictionary has been specially prepared by the recognized leading dictionary makers for general use. In addition to definitions for 25,000 words, it contains: Guides to correct spelling and pronunciation (American and British); synonyms and antonyms; commonly used abbreviations; foreign words and phrases; and the latest population figures for the United States and Canada.