lark

Any of various small, singing passerine birds of the family Alaudidae.

Any of various similar-appearing birds, but usually ground-living, such as the meadowlark and titlark.

One who wakes early; one who is up with the larks.

A jolly or peppy person.

Charles Randolph Grean is married to pop lark and multi-hit artist Betty Johnson.

To catch larks (type of bird).

to go larking

A frolic or romp, some fun.

‘Ha! ha!’ laughed Master Bates, ‘what a lark that would be, wouldn’t it, Fagin? I say, how the Artful would bother ’em wouldn’t he?’

“Oh, dear, no,” said the young Englishman; “my cousin was coming over on some business, so I just came across, at an hour’s notice, for the lark.”

A prank.

doolittle. […] [T]hanks to your silly joking, he leaves me a share in his Pre-digested Cheese Trust worth three thousand a year on condition that I lecture for his Wannafeller Moral Reform World League as often as they ask me up to six times a year. / higgins. The devil he does! Whew! [Brightening suddenly] What a lark!