aer ‧ o ‧ sol /ˈeərəsɒl $ ˈerəsɑːl/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: aero- + sol 'solution' (19-21 centuries) (from solution ) ]
a small metal container with liquid inside. You press a button on the container to make the liquid come out in very small drops. ⇨ spray