nightshirt

[nahyt-shurt] /ˈnaɪtˌʃɜrt/

noun

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

Origin

1840-50; night + shirt

Examples from the web for nightshirt

Then, still in his nightshirt, he went to his table and began working at a pile of papers.
He was in a nightshirt only, clutching a single eight-foot spear.
Her throat had been cut and her nightshirt was drenched in blood.
The nightshirt is embedded with fabric electronics to monitor the wearer's breathing patterns.
The wind pushed scraps of cloud high above the hollow and blew inside her nightshirt and between her legs.
The vice president elect came out and made a speech in his nightshirt.

British Dictionary definitions for nightshirt

/ˈnaɪtˌʃɜːt/

noun

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