A wiki for unfamiliar words

I am using Nanberry: Black Brother White for my literacy assignment and from time to time there are words or phrases in the text that could be unfamiliar to students (and indeed me!).

I would use a class wiki so that students, especially during home reading, could record the words that are unfamiliar either for review the next day in class or for collaborative learning, where other students can log in and offer their explanation or definition of a word (either from prior knowledge or research).

By the end of the book, the wiki will be a glossary of terms for future use, or maybe to share with other readers.