:::::Australians and New Zealanders traditionally did use the word "lorry" prior to the American wave, and I'm sure that younger Australians will understand what it means. MOS:RETAIN means that the English variety is not changed unless there is a good reason to do so, and there isn't. The word "lorry" will not be wiped from the page and replaced with an Americanism in an article that is written in BrE.  —