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.
Also, babydoll (for defs 2, 3).