Adam's apple
US /ˌæd.əmz ˈæp.əl/
UK /ˌæd.əmz ˈæp.əl/

1.
a projection of the thyroid cartilage at the front of the neck, more prominent in men than in women.
:
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He swallowed hard, his Adam's apple bobbing.
•
The doctor examined his neck, feeling for his Adam's apple.