noun
gizmo
GIZ-moh/ˈɡɪzməʊ/
A small device whose name is unknown or unimportant.
The little gizmo has a rounded casing, turning knob, and hinged clip.

Etymology
Gizmo is recorded in Marine and Navy usage for something the speaker could not name. Its origin is unknown, though it may have been a made-up word.
In context
A slang term for a gadget, is a gizmo -- which happens to be the name of our poster boy for this movie.
More examples
- What does that gizmo attached to your key ring do?
- She keeps a drawer full of kitchen gizmos.
- I use a plastic gizmo to squeeze toothpaste from the tube.
Forms
gizmo · gizmos