The Oxford Latin Minidictionary by James Morwood
The features include: comprehensive - over 60,000 entries provide the user with full coverage of the core vocabularies of Latin and English; grammar guidance - full grammatical information about each Latin word and details of conjugation for Latin verbs; extra help - clear signposting of differences in meaning, style, and context in cases of ambiguity; pronunciation - comprehensive marking of vowel length as a guide to classical Latin pronunciation; and additional information - appendices of historical and mythological names, geographical locations, and notes showing their significance.