wickerbill
n.— «The only thing that could temper this review is the reintroduction of the allowance of wickerbills on the top wings for the locals in the Open. A wickerbill produces a downforce or dragging effect on the car, planting it to the speedway surface.» —“World of Outlaws invade mid-state next week” by Shawn Brouse Daily Item (Sunbury, Pa.) Sept. 26, 2003. (source: Double-Tongued Dictionary)