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shoetree

American  
[shoo-tree] / ˈʃuˌtri /

noun

  1. one of a pair of foot-shaped devices, usually of metal or wood, for placing in a shoe to maintain its shape when it is not being worn.


shoetree British  
/ ˈʃuːˌtriː /

noun

  1. a wooden or metal form inserted into a shoe or boot to stretch it or preserve its shape

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of shoetree

First recorded in 1820–30; shoe + tree