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  1. Oxford American Dictionary

    umbilical cord

    • IPA[ˌəmˈbilək(ə)l ˌkôrd]

    美式

    • n.
      a flexible cordlike structure containing blood vessels and attaching a human or other mammalian fetus to the placenta during gestation.；a flexible cable, pipe, or other line carrying essential services or supplies.

    • noun: umbilical cord, plural noun: umbilical cords