slidingboard

noun
UK /ˈslaɪdɪŋ bɔːd/
US /ˈslaɪdɪŋ bɔːrd/

A sliding board is a smooth, slanted thing that kids slide down for fun.

The children took turns going down the sliding board at the playground.


OTHER MEANINGS

2. A board used in physical therapy on which a person slides to practice movement.

The therapist helped him practice standing using a sliding board.

3. A flat board that slides in and out, as in a sliding board game or puzzle.

He moved the sliding board to reveal the hidden picture.

4. A board forming part of a sliding mechanism, such as a sliding door track.

The carpenter replaced the worn sliding board on the cabinet door.