tire iron

from WordNet (r) 3.0 (2006)

tire iron
    n 1: hand tool consisting of a lever that is used to force the
         casing of a pneumatic tire onto a steel wheel [syn: {tire
         iron}, {tire tool}]

from The Collaborative International Dictionary of English v.0.48

Tire iron \Tire" iron\, n.
   a short steel bar with one end flattened so as to form a
   blade, used to remove rubber tires from the rim of a wheel.
   [PJC]

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