1) Bathroom headgear 2) Hair spray-protection 3) Headgear provided by a hotel 4) Hotel amenity 
A shower cap is a cap worn while showering or bathing, to protect hair from becoming wet. Alternatively, shower caps for children can be crowns with wide brims that prevent water and shampoo from getting in the eyes while allowing the hair to be washed. Many are produced by joining two layers of fabric together in order to make the shower cap not ...
waterproof cap made to cover all of your hair to prevent it from getting wet when taking a shower or bath. These shower caps can come in very handy when you are in a rush and don't have the time to wash, clean, dry and then style your hair. By using a shower cap, my hair stays completely dry so that I don't have to worry about blow drying it. It al...
[n] - a tight cap worn to keep hair dry while showering
noun a tight cap worn to keep hair dry while showering