Top definition
A nickname given to the Dictionary app on recent Mac computers. The app is based on the New Oxford American Dictionary.
I always keep my Mactionary handy when I'm reading early American literature.
by Hikari24 April 12, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug