n. [ It., literally fine lady; bella beautiful + donna lady. ] (Bot.) (a) An herbaceous European plant (Atropa belladonna) with reddish bell-shaped flowers and shining black berries. The whole plant and its fruit are very poisonous, and the root and leaves are used as powerful medicinal agents. Its properties are largely due to the alkaloid atropine which it contains. Called also deadly nightshade. (b) A species of Amaryllis (Amaryllis belladonna); the belladonna lily. [ 1913 Webster ]

n. A stoneware jug of a pattern originated in the neighborhood of Cologne, Germany, in the 16th century. It has a bearded face or mask supposed to represent Cardinal Bellarmine, a leader in the Roman Catholic Counter Reformation, following the Reformation; -- called also graybeard, longbeard. [ Webster 1913 Suppl. ]