Last Updated
：2025/11/22
head-scratcher
Sense（2）
（ plural ）
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A device used to scratch the head. / (informal) Something particularly puzzling or confusing.
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head-scratcher
I kept a wooden head-scratcher on my desk for when my scalp itched during long calls.
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I kept a wooden head-scratcher on my desk for when my scalp itched during long calls.
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