Noun
A long body-length bolster (pillow) that can be held or wrapped around one's body while sleeping.
Synonyms: body pillow, dakimakura, love pillow
In East Asia and Southeast Asia, a wicker or bamboo tube the size of a person for use in the bed. In the summer heat, the open bamboo structure is cooler than fabric pillows or sheets. The Dutch wife is embraced by the user, exposing the maximum amount of the body to cooling breezes.
Synonyms: bamboo wife, bolster
...for thy huggest thy bolster, which men call a Dutch wife in some parts. Anthony Burgess