'swansdown' definitions:
- blubber,
- breeze,
- butter,
- clay,
- cushion,
- dough,
- down,
- eiderdown,
- feather bed,
- feathers,
- fleece,
- floss,
- flue,
- fluff,
- foam,
- fur,
- fuzz,
- kapok,
- lint,
- pile,
- pillow,
- plush,
- pudding,
- puff,
- putty,
- rubber,
- satin,
- silk,
- thistledown,
- velvet,
- wax,
- wool,
- zephyr
