lark

noun
1
a small brown bird with a pleasant song
چکاوک
see also skylark
2
a thing that you do for fun or as a joke
تفریح, شوخی, سرگرمی
The boys didn't mean any harm—they just did it for a lark.
3
an activity that you think is a waste of time or that you do not take seriously
شوخی, کار بیهوده, تفریح
Perhaps this riding lark would be more fun than she'd thought.