Lampe gras is a French term that means "to luxuriate in the warmth of the lamp". It is a type of lighting that emits heat and light.

Lampe gras salle de bain is a French phrase which literally translates to "bathroom with lampe gras". It is used to describe an area where people can relax and enjoy their time in the bathroom.

The phrase originated from the 17th century when people would often use their washbasins as place for lamps.