General Definition:
1. Something long and thin, and perhaps cylindrical, which is rotated in front of the mouth, or any thing or any action directly or indirectly associated with this, such as a bone which is nibbled and, especially, a cob of corn.
As a Noun:
1. A tall crop which produces yellow grains packed tightly on large spikes. English = corn.
2. The yellow grain spikes of corn, especially when they have been harvested. English = cob of corn, corn cob.
As a Verb or Adjective:
1. To eat a cob of corn.