gismo

or giz·mo

[ giz-moh ]
/ ˈgɪz moʊ /

noun, plural gis·mos. Informal.

a gadget or device: What is this gismo supposed to do?

Origin of gismo

First recorded in 1940–45; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019