From Longman Dictionary of Contemporary Englishroll-onˈroll-on (also roll-on deodorant) noun [countable] DCBa bottle which contains liquid that you rub under your arms in order to stop your sweat from smelling unpleasant
Examples from the Corpus
roll-on• Its collapse could have had serious roll-on effects on the finances of these airports, and the relevant local authorities stepped in.• They suggest avoiding the roll-on may resolve the problem and save thousands of needless biopsies each year.• Once managers understood where costs truly lay, the innovations were obvious: the roll-on and roll-off ship and the container ship. 