Dictionary American Heritage
The words you use define you. Make the most of them with The American Heritage Dictionary.
Dell Ney York 
The  5th editiopn features: 

NEW WORDS AND SENSES  in all areas from science and tehcnology  to food and clothing
BIOGRAPHY AND GEOGRAPHICAL ENTRIES that  identify the people and places you need to know
USEFUL ILLUSTRATIONS  that enchance the definitions and make learning easier
EXPERt GUIDANCE on usage  base on surveys of the American Heritag Usage PanEL
ETYMOLOGIES, SYNONYMS, ANTONYMS, and much more . …