Froth is a very important feature of many types of coffee.

He replaced her again breadthwise on the couch, unable to sit up, with her thighs open, between which I could observe a kind of white liquid, like froth, hanging about the outward…

I like to froth my coffee for ten seconds exactly.

One lacquey carried the chocolate-pot into the sacred presence; a second, milled and frothed the chocolate with the little instrument he bore for that function; a third, presented…