Often, baby dolls. Also called baby doll nightgown, baby doll pajamas. a garment for women or girls consisting of a hip-length top of delicate fabric often decorated with ruffles, ribbons, or lace, with a matching panty, worn for sleeping.
3.
a short dress styled to resemble this.
Also, babydoll (for defs 2, 3).
Origin
1860-65
Slang definitions & phrases for baby doll
baby doll
noun phrase
A pretty woman, esp one cherished by a man as his own (1900s+)