red flag law

Noun

 * 1)  A gun control law permitting police or family members to petition a state court to order the temporary removal of firearms from a person who may present a danger to others or themselves.
 * 2)  A law enacted in the late 19th century, requiring drivers of early automobiles to take certain safety precautions, including waving a red flag in front of the vehicle as a warning.
 * 1)  A law enacted in the late 19th century, requiring drivers of early automobiles to take certain safety precautions, including waving a red flag in front of the vehicle as a warning.