Final answer:
The black flag with a skull and crossbones is known as the Jolly Roger, a symbol of piracy from the 17th and 18th centuries, now iconic in popular culture.
Step-by-step explanation:
The technical term for the black flag featuring the skull and crossbones, which is commonly associated with pirate lore, is the Jolly Roger. This symbol became widely recognized as the emblem of piracy in the 17th and 18th centuries. Despite its dark associations, over time, the Jolly Roger has also become an iconic representation of adventure and rebellion, deeply embedded in popular culture.