What is a picture coarsely executed. Did you . . . take a look at the grand picture . . . 'T is a melancholy daub, my lord. Sterne called?

daub — (Paint.) A picture coarsely executed. Did you . . . take a look at the grand picture . . . 'T is a melancholy daub, my lord. Sterne. (Webster's 1913.)

Sources