Cēl'an-dīne, n.
n. [Fr. chélidoine, Pr. celidonia, Sp., Pg., & It. celidonia, Lat. chelidonia (sc. herba), from chelidonius, pertaining to the swallow, Gr. χελιδόνιον, from χελιδών, the swallow.] (Bot.) A genus of plants belonging to the poppy family (Chelidonium); — called also swallow-wort, said to be so named because it was formerly supposed to flower at the season when the swallows appear, and perish when they depart. Loudon.