the GNU version of the Collaborative International Dictionary of English
adj. Customary.
adj. Subject to the payment of customs; dutiable.
The Century Dictionary and Cyclopedia
Common; habitual; customary.
Subject to the payment of the duties called customs; dutiable.
Word Usage
"I'm using it in my blog, althought I've changed many things, like the Harry Potter background or more customable colors, but it keeps the same essence :P"