Frequently Asked Questions
According to the Merriam-Webster dictionary, "steampunk" is "science fiction dealing with 19th-century (1800's) societies dominated by historical or imagined steam-powered technology." Thus, the "steam-" in "steampunk" refers to the steam-powered technology that heavily influenced the Victorian era, and the "-punk" refers to the unconventional edge that the sci-fi genre brings into the setting.
In a nutshell, Steampunk is a fantasy genre that mixes science fiction with the Victorian era.