[ doo-hik-ee ]
/ ˈduˌhɪk i /
noun, plural doo·hick·eys. Informal.
a gadget; dingus; thingumbob.
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contraption, widget, object, doodad, thing, contrivance, thingamajig, whatchamacallit, gismo, thingamabob
Origin of doohickey
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (ˈduːˌhɪkɪ) /
US and Canadian informal another name for doodah (def. 1)
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
also doohicky, a name for something one doesn't know the name of, 1914, American English, arbitrary formation.
Online Etymology Dictionary, © 2010 Douglas Harper