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gismo

or giz·mo

[giz-moh]
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noun, plural gis·mos. Informal.
  1. a gadget or device: What is this gismo supposed to do?
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Origin of gismo

First recorded in 1940–45; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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