Corncob (noun)

1. The central part of an ear of corn, which is typically cylindrical in shape and composed of tightly packed kernels of corn.
2. The dry, tough, cylindrical structure that is left over after the kernels of corn have been removed from an ear of corn.

Origin:

From the words "corn" meaning "a cereal plant that is the most important kind grown in a particular region" and "cob" meaning "a rounded lump or mass".

Examples:

1. He used the corncob as fuel for his campfire.
2. She used the corncob to clean the grill.
3. He made a pipe out of a corncob.
4. She put the corncobs in the compost pile.
5. The corncob is a common material for making craft items such as dolls and ornaments.