Dai: read Dà i. There are several explanations: gain; Wear or hold on the head; Insert, stand or cover; Respect, admiration and support; Ancient country names; Last name.
There is something wrong with the number of strokes of Dai. The modern Xinhua dictionary is seventeen, and the Kangxi dictionary is eighteen. In fact, this is a simplified and traditional problem. The simplification is 17 drawing, and the tradition is 18 drawing.