waterfall
n.β Β«Last month, the retirement board, which Aguirre alleges covered up the cityβs pension problem, eliminated an accounting method known as the “waterfall” that hid some of the city of San Diegoβs pension obligations. Aguirre and outside consultants have condemned the accounting gimmick.Β» ββWithout Paperwork, Reforms Lie Idle” by Evan McLaughlin Voiceofsandiego.org (California) Nov. 10, 2006. (source: Double-Tongued Dictionary)