English

Adjective

roll-on ‎(not comparable)

1. (of deodorant, etc.) Applied by means of a ball that can be rotated to pick up liquid from the inner reservoir.

Noun

roll-on ‎(plural roll-ons)

1. (dated, often in the plural) A type of corset which is rolled on to the body.
   • 1997, Marianne Thesander, The Feminine Ideal, p. 139:

     Roll-ons and lastex corsets in tube form were a lighter type of corset mostly worn by young women and under summer clothes.

   • 2007, Michele Hanson, The Guardian, 6 Nov 2007:

     We've had [...] the Dior padded hips and bosoms, bustles for big bums, roll-ons for flat bums, and who remembers Sabrina in the 50s? She had to be hour-glass shape.

2. A cosmetic product (especially a deodorant) applied by means of a ball at the head of a container, which rolls the product on to the skin etc.
   • 1999, Laura Craik, The Guardian, 16 Jul 1999:

     I never minded aerosols. But in the interests of the environment, I changed to roll-ons.