Doodad (noun)

1. An object or a gadget that is insignificant or does not have a specific name.
2. A small, unimportant device or gadget.

Origin:

The word "doodad" comes from the american english, it is a term of uncertain origin. it is used to describe an object or a gadget that is insignificant or does not have a specific name.

Examples:

1. The doodad on the dashboard had no apparent purpose.
2. I couldn't figure out what that doodad on the kitchen counter was for.
3. It"s just a doodad, it doesn"t do anything important.
4. That doodad on the shelf is just for decoration.
5. I have no idea what that doodad on the car is for.