FETH'ERED, participle passive 1. Covered with fethers; enriched. 2. adjective Clothed or covered with fethers. A fowl or bird is a fethered animal Rise from the ground like feathered Mercury. 3. Fitted or furnished with fethers; as a fethered arrow. 4. Smoothed, like down or fethers. 5. Covered with things growing from the substance; as land fethered with trees.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI