Denvern.
/ˈdɛnvə/, U.S. /ˈdɛnvər/ Chiefly North American.
Denver boot n. (also Denver shoe) a kind of wheel clamp used to immobilize an illegally parked vehicle (apparently first used in Denver); cf. boot n.3 6h.
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society > travel > transport > transport or conveyance in a vehicle > vehicular traffic > [noun] > traffic control > clamp for illegally parked vehicle
Denver boot1967
boot1968
wheel clamp1980
1967 Daily Tel. 27 Oct. 22/3 An automatic wheel-locking device, called the Denver Shoe, which is to be used by police in Paris to ‘arrest’ vehicles left in streets where parking is not allowed.
1974 Ottawa Citizen 8 Oct. 45/1 The notice..said a large locking device had been attached to one of my wheels... This locking contraption is called a Denver Boot.
1977 U.S. News & World Rep. 21 Mar. 80/1 The [wheel] locks are called ‘Denver boots’, after the city that introduced them in 1949.
1983 Daily Tel. 14 July 19/1 In the first eight weeks 4,358 vehicles were clamped with the Denver shoe.
This entry has not yet been fully updated (first published 1989; most recently modified version published online March 2022).
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n.1967