Brewing coffee is a process that involves boiling water and adding ground coffee beans to it. The mixture is then stirred and left to steep for a few minutes before being strained. The term 'brew coffee' is used to describe the process of making coffee in this way. The crossword solution for the term 'brew coffee' is PERK, which is an acronym for 'Pour, Extract, Re-infuse, and Keep'. This acronym describes the four steps involved in brewing coffee: pouring hot water over the grounds, extracting the flavor from the grounds, re-infusing the grounds with more hot water, and keeping the coffee warm.