tub
n.β Β«Tagliani wasnβt hurt in the wreck, which happened in the warm-up for yesterdayβs Molson Grand Prix of Toronto.…His teamβs spare carβa “tub” as itβs known in the parlanceβamounted to an empty shell. It was lacking vital components such as a brake pedal and seatbelts and, um, an engine.Β» ββCrew salvages parts for last-minute ride” by Dave Feschuk Toronto Star (Canada) July 10, 2006. (source: Double-Tongued Dictionary)