癭えい瘤りゅう

noun

cecidium; plant gall

Botanical term for an abnormal growth on a plant caused by insects, mites, or fungi. The common synonym 虫こぶ is more widely used in everyday contexts.

See also: 虫こぶ

• この木きの葉はにはえいりゅうがいくつも見みられる。

  Several galls can be seen on the leaves of this tree.

• えいりゅうは虫むしこぶとも呼よばれる。

  Cecidia are also called 'mushi-kobu'.