- Daddy, what's a southpaw?
- It means a left-handed pitcher, honey.

7 seconds sound clip from the Field of Dreams (1989) movie soundboard.

You can hear this line at 00:17:26.112 in the Blu-ray version of the movie.

Quote context

[...]

- Am I completely nuts?

- Not completely.

- It's a good baseball field, Ray.

- It's kind of pretty, isn't it?

- Mmm-hmm.

- Any sign?

- Something's going to happen out there. I can feel it.

- So, for the veteran southpaw, his summer of woes continues.

- That's four straight hits in the inning.

- Daddy, what's a southpaw?

- It means a left-handed pitcher, honey.

- So how bad is it?

- Well, considering how much less acreage we have for corn, I say we'll probably almost break even.

- We used up all our savings on that field, Ray.

- Daddy?

- Just a minute, Karin.

- So what are you saying? We can't keep the field?

- Makes it real hard to keep the farm.

[...]