I’m watching Modern Family, and it’s the conversation of Cam and Mitchell
Mitchell: We need somebody to pump some life back into this party.
Cam: I got this. I'll go in and turn on some music, bring out the cupcakes, pump up the bubble machine. Or Is that a roundabout way of saying a certain clown can come to the party?
Mitchell: I was wrong. Every kid wants a clown for a dad.
So Cam wanted to play as a clown for his daughter but Mitchel didn’t want, and then he changed his mind.
Here, “every kid wants a clown for a dad”, what does “for” mean? If possible, could you give me the definition from a dictionary?