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Noun: roll-on  'rówl,ón
  1. A dispenser of a liquid cosmetic (such as a deodorant) having a revolving ball as an applicator
    "He applied the roll-on deodorant quickly before leaving for work"
     
  2. A woman's foundation garment rolled on to the hips
    "She preferred a roll-on to traditional pantyhose for comfort"

Derived forms: roll-ons

Type of: dispenser, foundation, foundation garment, shapewear