What does "gizmo" mean?

Something, generally a device or gadget, whose real name is unknown or forgotten.

What is a synonym for "gizmo"?

Common synonyms include: contraption, doohickey, gadget, widget, affair, apparatus.

/ˈɡɪzmoʊ/ noun, slang

noun, slang ·Common ·High school level

Noun

1
Something, generally a device or gadget, whose real name is unknown or forgotten. slang
2
a device or control that is very useful for a particular job wordnet
3
something unspecified whose name is either forgotten or not known wordnet

"That new gizmo that you want is over at the store now."

Unknown.