What is another word for camelback?
Pronunciation: [kˈamɪlbˌak] (IPA) 
Camelback, a term commonly used in hiking and outdoor activities, refers to a type of hydration backpack with a water bladder. The term camelback is a proprietary eponym of CamelBak, a company that pioneered the design. However, there are other synonyms for the word camelback that are often used interchangeably. Some common synonyms include hydration backpack, water backpack, hydration pack, and water pack. Other brands have also introduced their own hydration backpacks, such as Osprey's Hydraulics line or Platypus Hoser hydration system, which can also be used as synonyms for camelback. In essence, while camelback is commonly used, it is helpful to know other synonyms that may be used as well.
