a villain, as in a cowboy movie; bad guy.
Digital Technology. a hacker who violates the security of a system for personal profit or for the gratification of causing damage.
wear / put on a black hat, to behave villainously.
a computer hacker who carries out illegal malicious hacking work
(as modifier): black-hat hackers Compare white hat
A villain; heavy: The only way I can do that is to make you the black hat/ This time, perhaps, there are black hats on both sides
he badge or symbol of a villain: Companies have this black hat on when they go to court
1767–1838, American Indian chief of the Sauk tribe: leader of Sauk and Fox Indians in the Black Hawk War. Contemporary Examples Black Hawk Down’s Long Shadow Daniel Klaidman October 8, 2013 Black Hawk Down’s Long Shadow Daniel Klaidman October 8, 2013 Black Hawk Down’s Long Shadow Daniel Klaidman October 8, 2013 Black Hawk Down’s Long […]
a war fought in northern Illinois and present-day southern Wisconsin, 1831–32, in which U.S. regulars and militia with Indian allies defeated the Sauk and Fox Indians, led by Chief Black Hawk, attempting to recover lost hunting grounds.
a small, black-tipped, fatty mass in a skin follicle, especially of the face; comedo. any of several birds having a head that is black, as the greater scaup, Aythya marila. Also called enterohepatitis. Veterinary Pathology. a malignant, infectious disease of turkeys, chickens, and many wild birds, caused by a protozoan parasite, Histomonas meleagridas, attacking especially […]