noun
    
    plural -doses
    
    [count] an amount of a drug or medicine that is too much and usually dangerous
    
    
    
    
    
    an amount of something that is too much
    
    
    
    
    
    verb
    
    -doses; -dosed; -dosing
    
    [no obj] :to take too much of a drug or medicine :to take an overdose of a drug or medicine - usually + on