- a doll, especially one resembling a human baby.
- 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.
- a short dress styled to resemble this.
- a short sleeveless nightgown or dress with a loose skirt
- (as modifier)a babydoll dress