big toe
US /ˌbɪɡ ˈtoʊ/
UK /ˌbɪɡ ˈtoʊ/

1.
the largest digit of the foot, located on the medial side
:
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She stubbed her big toe on the corner of the table.
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My big toe is aching after running a marathon.
the largest digit of the foot, located on the medial side