From Unicode database:
Pronunciation: YI3
Definition: by means of; thereby, therefore; consider as; in order to

Calligraphy:

This character in Animated Chinese Characters. (simplified form)

Dictionary entry:

This character in Cantonese Pronunciation Dictionary.

This character in CEDICT.

This character in Guoyu Cidian.

This character in Unicode database.

This character in WWW CJK-English Dictionary. (Japanese)

This character in WWW JDIC. (Japanese)

Composition/Etymology:

This character in Chinese Characters.

This character in Tower of Babel etymology database.

Usage:

This character in Google search engine.