|Origin:||Old English lawerce|
|Origin:||lark 'to play around' (19-21 centuries), perhaps from lake 'to play' (11-20 centuries) (from Old English lacan), or from LARK2|
a small brown singing bird with long pointed wings [= skylark]
something that you do to amuse yourself or as a joke
as/for a lark
I only went along for a lark.
3 British English spoken not polite
used when you stop doing something or refuse to do something because it needs too much effort:
• Paint the whole room? Sod that for a lark!
4 British English spoken
used to describe an activity that you think is silly or difficult:
Salad again? How long are you going to keep up this healthy eating lark?
to get up very early