The following is from 'The Blackhouse' by Peter May

> 
> The real bastard was a short, stocky man with thick, sandy hair
>  Brylcreemed back from a **low brow**.
> 
> 
> 

I know what a 'brow' is. I also looked up a 'low brow' in the dictionary but it doesn't have a physical definition [here](https://www.thefreedictionary.com/low+brow) Where about is a 'low' brow located on person's brow in a physical sense? Is it somewhere right above one's eyebrow?