Green’s Dictionary of Slang

1. (US) a bed or pillow.

1841		‘A Lamentation For Nan’s Sore Throat’ Dublin Comic Songster 247: Ogh! what’s your ailment dear? what keeps you in the feathers, Nan?
1902		Ade Forty Modern Fables 295: He would turn out the Cat, wind the Clock, fix the Damper on the furnace and connect with the Feathers.
1908		B. Fisher A. Mutt in Blackbeard Compilation (1977) 113: I might as well get this tackle ready before I crawl into the feathers.
1912		Ade Knocking the Neighbors 117: Edgar would emerge from the Feathers every morning to find his Parents all lined up to wish him a new set of Police Regulations.
1917		R. Lardner ‘The Water Cure’ in Gullible’s Travels 180: I buried my good ear in the feathers.
1930		J. Lait Gangster Girl 2: I’ve kipped in feathers just as ritz as this gingerbread bridal cell.
1946		R.L. Bellem ‘Latin Blood’ in Speed Detective Aug. 🌐 What’s the idea of sending a pack of flatties to wrench me out of the feathers.
1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 28: Feathers Bed.

2. facial or body hair.

1941		Baker Popular Dict. Aus. Sl.
1972		B. Rodgers Queens’ Vernacular 79: feathers body hair. [...] Related terms: featherless possessing smooth, hairless body [...] feathery hairy.
1980		Maledicta IV:2 (Winter) 185: Common examples [of sexual ‘addresses’] include Cockshire, Cock Inn, Cupid’s Alley, Hairyfordshire, Crown and Feathers, Shooter’s Hill, Mount Pleasant, Love Lane, etc.