powder room noun
plural powder rooms
plural powder rooms
Learner's definition of POWDER ROOM
[count]
1
US : a small bathroom especially for guests that has a toilet and sink but not a bathtub or shower（客人用的）洗手间，盥洗室
2
: a public bathroom for women in a restaurant, hotel, etc.（餐厅、酒店等的）女洗手间，女厕所