noun
    
    plural larks
    
    [count] :any one of several birds that usually have pleasant songs - see also meadowlark, skylark - compare 2lark
    
    noun
    
    plural larks
    
    informal
    
    [count] :something done for enjoyment or adventure
    
    
    
    [noncount] Brit :activity of a specified kind :business
    
    
    
    verb
    
    larks; larked; larking
    
    lark about
    
    or lark around
    
    [phrasal verb] Brit informal :to behave in a silly and enjoyable way