(figuratively) To stir people up; to cause anger or excitement.

Anything that flashes, especially a device that switches a light on and off. / (automotive) An indicator or turn signal. / (obsolete) Someone of great accomplishments, or brilliant appearance.

(pathology) A complication of pregnancy in which the placenta is inserted partially or completely in the lower segment of the uterus (above the opening of the cervix).

plural of Hinge