Definition of corncob noun from the Oxford Advanced Learner's Dictionary

 

corncob

 noun
noun
BrE BrE//ˈkɔːnkɒb//
 
; NAmE NAmE//ˈkɔːrnkɑːb//
 
(especially British English)(also cob North American English, British English)
 
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the long hard part of the maize (corn ) plant that the rows of yellow grains grow on
See the Oxford Advanced American Dictionary entry: corncob