Questions about example sentences with, and the definition and usage of "Lark"

A: 1) literally, it's a kind of bird
2) I did it on a lark = I did it for fun, without much thought

A: ‘I make a habit to be up with the lark’ sounds more natural, although this expression is a little dated now and you hear less people saying it. In England we also say ‘up with the sparrows 麻雀

A: go on a lark; do something for no other reason but for the fun it brings

A: The children were larking around

A: can you give me a sentence please? There is formal and informal meaning and formal lark has 2 meanings. Do you have an example?

A: Where did you see both of these words? They are very different but both are almost never used. A lark is a kind of bird. To romp is to act loudly and playfully. You could also call someone a romp if they act this way. Again they are barely ever used.

A: It is a run-on sentence, put some commas in between 'thorns' and 'on'

A: I didn't even know this word lol I would have thought it was a typo for "like"