parse (vt.)

1. To determine the syntactic structure of a sentence or other utterance (close to the standard English meaning).

That was the one I saw you.

I can't parse that.

2. More generally, to understand or comprehend.

It's very simple; you just kretch the glims and then aos the zotz.

I can't parse that.

3. Of fish, to have to remove the bones yourself.

I object to parsing fish

, means

I don't want to get a whole fish, but a sliced one is okay

. A parsed fish has been deboned. There is some controversy over whether unparsed should mean ‘bony’, or also mean ‘deboned’.