attachon

noun
UK /əˈtætʃɒn/
US /əˈtætʃɑːn/

A small thing you stick onto something else to hold it or decorate it.

She put a shiny attachon on her backpack.


OTHER MEANINGS

2. A person who joins a group or activity for a short time.

He was just an attachon on the trip, not a full member.

3. An extra part added to a machine or tool.

The drill came with an attachon for sanding.

4. A small piece of software added to a program to give it more features.

The browser attachon blocked pop-up ads.