Q: What has many ears but cannot hear?
A: A field of corn!
Explanation: “Ear” has two meanings (when used as a noun, a thing): 1) Most people (and most animals) have an ear on each side of their head that allow them to hear sound; 2) ear also means the whole cob of corn (see the picture).
This joke is funny because it plays with two meanings of the word ‘ear.’
By the way, ear is used in some common idioms such as I’m all ears (listening completely), I learned it by ear (to learn a song by listening), and Your suggestion went in one ear and out the other (something you heard but it did not impact you in any way).
Harvest time is coming to an end in the northern hemisphere so I thought a corn joke would be appropriate. Watch the corn harvest here:
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what does this pun mean?