sittingcushion
nounUK /ˈsɪtɪŋ ˈkʊʃən/
US /ˈsɪtɪŋ ˈkʊʃən/
A soft pad you put on a seat to make it more comfortable.
She placed a sitting cushion on the hard wooden chair.
OTHER MEANINGS
2. A small cushion used to raise a person's height when seated.
The child used a sitting cushion to reach the table.
3. A portable pad carried to outdoor events for comfortable seating.
We brought a sitting cushion to the picnic.
4. A cushion designed to relieve pressure while sitting for long periods.
His doctor recommended a sitting cushion for his back pain.