Brew"ing (&?;), n. 1. The act or process of preparing liquors which are brewed, as beer and ale.

2. The quantity brewed at once.

A brewing of new beer, set by old beer.
Bacon.

3. A mixing together.

I am not able to avouch anything for certainty, such a brewing and sophistication of them they make.
Holland.

4. (Naut.) A gathering or forming of a storm or squall, indicated by thick, dark clouds.