minibarrier

noun
UK /ˈmɪn.iˌbæri.ər/
US /ˈmɪn.iˌbɛri.ɚ/

A minibarrier is a very small wall or fence that stops things from going past.

The little plastic minibarrier kept the toy cars from rolling off the table.


OTHER MEANINGS

2. A thin layer that slows something down, like water or heat.

A minibarrier of plastic kept the heat inside the cup.

3. A small rule or check that keeps something safe.

The teacher made a minibarrier to stop kids from running in the hall.

4. A tiny object placed to keep two things apart.

A minibarrier between the plants kept their roots from mixing.