nightshirt

[ nahyt-shurt ]

/ ˈnaɪtˌʃɜrt /

a loose shirtlike garment reaching to the knees or lower, for wearing in bed.

Origin of nightshirt

First recorded in 1840–50; night + shirt

Why Putin wants Angela Merkel for a nightshirt is beyond me.

Russian History Is on Our Side: Putin Will Surely Screw Himself |P. J. O’Rourke |May 11, 2014 |DAILY BEAST
Yet what little most Americans know about KSM is what they have gleaned from that famous photo of him in his nightshirt.

9/11 Mastermind Khalid Sheikh Mohammed Finally on Trial at Guantanamo |Terry McDermott |May 4, 2012 |DAILY BEAST
The loaf was thoughtfully wrapped up in a nightshirt to preserve it from the effect of sun and salt water.

The Harmsworth Magazine, Vol. 1, 1898-1899, No. 6 |Various
Jesse snatched off the wreck of his nightshirt and twisted it into a cord, running it through the belt of Reuben's breeches.

Wilderness of Spring |Edgar Pangborn

He rang the bell and finally produced from an upper window a nightshirt topped by a frowsy head.

Excuse Me! |Rupert Hughes
Ben found his mother and Jesse Plum in the hall, Jesse swinging his gaunt arms, one bare, the other trailing a wisp of nightshirt.

Wilderness of Spring |Edgar Pangborn
The fire takes the place of nightshirt, pyjamas, or blanket—a poor substitute on a cold night!

Spinifex and Sand |David W Carnegie

nightshirt

/ (ˈnaɪtˌʃɜːt) /

a loose knee-length or longer shirtlike garment worn in bed by men