G'day Allen. It looks like the Aussies are with the Brits on this one. These are the 2 alternatives taken from the Macquarie dictionary (Australian National Dictionary) This usage is not unique to beekeeping in Australia. rebate1 noun 1. a return of part of an original amount paid for some service or merchandise; repayment, as of a part of charges. verb (t) (-bated; -bating) 2. to allow as a discount. 3. to deduct (a certain amount), as from a total. [Middle English, from Old French: beat or put down] rebate2 noun 1. a cut, groove, or recess made on the edge or surface of a board or the like, as to receive the end or edge of another board or the like similarly shaped. verb (t) (-bated; -bating) 2. to cut or form a rebate in (a board, etc). [Middle English, probably from Old French rabat a beating down, or rabot a joiner's plane] Paul