Definitions

1. adjective

Covered or protected with a thin layer of felt or hair, like the underside of a feather; having a thin, soft, and usually woolly or hairy covering.

“The bird’s atrematous feathers helped it blend in with the forest surroundings.”

2. adjective

Resembling or having the quality of felt or hair, especially when fine or soft.

“The atrematous texture of the fabric made it perfect for winter clothing.”