I am currently working on a book about cake decorating written by a Brit. Part of my job is to make sure that the terms are all translated from British English into American English. Since I am NOT a pastry pro (regardless of the fact that I used to have the title "pastry chef"

), I'm not sure whether some of the terms used are Britishisms.
Can some kind person here point me toward an American (U.S.) Web site that gives definitions of the materials, equipment, and techniques used in cake decorating, and/or has a fairly comprehensive list of items for sale? I've been looking at the Wilton and NY Cake Supplies sites, but haven't found the items I have questions about so far (sugarpaste, which I think is probably gumpaste; and scribe, a tool for poking holes through a template to make the design on the cake where you will later pipe it on).
Thanks!
Your pal from the hot side,
Suzanne