"Yellowback" validity in different word game dictionaries
| Dictionary | Validity |
|---|---|
| Scrabble US(US/Canada/Thailand - TWL/NWL) | No |
| Scrabble UK(International - SOWPODS/CSW) | Yes |
| Words with Friends(WWF) | Yes |
"yellowback" Definition
- GOLD CERTIFICATE
- a cheap and usually sensational novel
- a freshwater mussel (Lampsilis anodontoides) of the Mississippi valley and southeastern U.S. having a heavy shell covered with yellow periostracum and highly valued for mother-of-pearl