Computational Genomics/Genome Informatics: Reference Resources

Encyclopedia of Life 

This online and free resource allows to quickly search for a species using either common name or scientific name.  This is an excellent starting point when finding out information on a species.

AlphaDictionry.com  Search 1065 Online English Dictionaries at Once!

Generals Dictionaries 

Cambridge English Dictionaries  Online access to Cambridge Advanced Learner's Dictionary and some other dictionaries published by Cambridge University Press. more...

Merriam-Webster Online Dictionary and Thesaurus The Merriam-Webster Online Dictionary is based on the print version of Merriam-Webster's Collegiate® Dictionary, Eleventh Edition. 

Wordsmyth An online dictionary and thesaurus.more...

History -- World: eReference

ION: Index to Organism Names 

This is another online and free resource brought to us by Thomson Reuters who are responsible for Web of Science, BIOSIS Previews, and Zoological Record databases.  This index provides information about species taxonomy and name variation.