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ball of the thumb
English
Meaning ball of the thumb meaning
What does ball of the thumb mean?
ball of the thumb
noun
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(anatomy, informal) The fleshy portion, opposite the nail, of the first segment (first phalange) of the human thumb.
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(anatomy) The most fleshy portion of the palm of the human hand, located adjacent to the second joint of the thumb: the thenar eminence.
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