underlaynoun [ U ]
uk/ˈʌn.də.leɪ/us/ˈʌn.dɚ.leɪ/thick material put between a carpet and the floor for extra comfort and to protect the carpet
a layer of material that lies under another one, especially when it can be seen through the top layer:
The dress was black lace with a blue underlay showing through.
Thesaurus: synonyms and related words
Carpets, rugs & other floor coverings
- bath mat
- carpet
- carpeted
- carpeting
- doormat
- fitted carpet
- fitter
- linoleum
- mat
- matting
- parquet
- Persian rug
- pile
- rug
- scatter rug
- shag
- wall-to-wall
- welcome mat