A plant, Atropa belladonna, having purple bell-shaped flowers and poisonous black glossy berries. / An alkaloid extracted from this plant, sometimes used medicinally, containing atropine.

present participle of recatalog

(colloquial) A laboratory. / (colloquial) Laboratory experiment, test, investigation or result.

(cycling) Initialism of King of the Mountains. (in the mountains classification of a cycling road race)