Tensai 0.93 for Mac can be downloaded from our website for free. This Mac application was originally designed by Justin Anderson. The application lies within Education Tools, more precisely Languages.
From the developer:
Tensai is a Japanese language dictionary and study aid for native English speakers, designed for maximum readability and efficiency to make studying less stressful and more fun.
Using Tensai you can look up the kanji, readings, and meanings for words, phrases, and individual characters in both Japanese and English, and you can do so quickly and efficiently.
You may want to check out more Mac applications, such as English-Italian Dictionary '08, Japanese-English Dictionary or NounStar Language Study - Desktop Edition, which might be similar to Tensai.