Research Guides: Spanish Language and Literature: Dictionaries and Grammar Guides

Word Reference
Free online Spanish-English dictionary
Diccionario de la lengua española
Free online Spanish dictionary from the Real Academia Española (useful for intermediate to advanced students and native speakers).

Oxford Business Spanish dictionary : Spanish-English by Edited by Sinda López and Donald Watt
Call Number: Library eBook
Multicultural Spanish Dictionary by Augustín Martínez
Call Number: Library eBook
Publication Date: 2011
An updated and revised edition of the widely used first edition. Includes hundreds of new technology terms and entries from even more Spanish-speaking countries.
Dictionary of Spoken Spanish
Call Number: Library eBook
Publication Date: 2013
Prepared by U. S. linguists, this dictionary uses idioms, phrases and sentences as basic units -- not single words. English-Spanish and Spanish-English sections contain modern equivalents for over 18,000 sentences.