\Daub"er\, n. 1. One who, or that which, daubs; especially, a coarse, unskillful painter. 2. (Copperplate Print.) A pad or ball of rags, covered over with canvas, for inking plates; a dabber. 3. A low and gross flatterer. 4. (Zo["o]l.) The mud wasp; the mud dauber.