christmas stocking
US /ˈkrɪs.məs ˌstɑː.kɪŋ/
UK /ˈkrɪs.məs ˌstɑː.kɪŋ/

1.
a sock or sock-shaped bag hung up by children on Christmas Eve for Santa Claus to fill with presents
:
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The children hung their Christmas stockings by the fireplace, eagerly awaiting Santa's visit.
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She found a small toy and some candies in her Christmas stocking.