|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
(genus Cotoneaster), any of about 50 species of shrubs or small trees, of the rose family (Rosaceae), native to temperate Eurasia. Many species have been introduced into other temperate regions. Cotoneasters are widely cultivated for their attractive growth habit, small white to pink flowers, and small but showy red to black fruit. The leaves are alternate and smooth-edged. The flowers have five petals and sepals and are usually borne in clusters. The fruit is about 8 mm (0.25 inch) in diameter and contains two to five stones.
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