Definition of ear cockle in English:

ear cockle

Pronunciation /ˈɪə kɒkl/

noun

  • A disease of wheat and other cereal plants caused by the parasitic nematode Anguina tritici, in which the grains are replaced by small, dark galls. Also (in plural): the galls themselves.

Origin

Late 18th century; earliest use found in The Gentleman's Magazine. From ear + cockle.