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单词 catkin
释义

Definition of catkin in English:

catkin

noun ˈkatkɪnˈkætkən
  • A downy, hanging flowering spike of trees such as willow and hazel, pollinated by the wind.

    Example sentencesExamples
    • They also eat fruits, berries, twigs, leaves, catkins, and seeds.
    • In winter, they are most readily observed feeding in trees with catkins, such as birch and alder.
    • Some varieties shed pollen from the male catkins before the female flowers are receptive, and so require pollen from another variety with a later pollen maturation date.
    • Live oaks produce male flowers called catkins that bloom in hanging clusters.
    • Pin oaks produce drooping wind-pollinated male flowers called catkins; the female flowers come in groups of one to three just as the leaves begin to unfold.

Origin

Late 16th century: from obsolete Dutch katteken 'kitten'.

  • This is from obsolete Dutch katteken ‘kitten’.

Definition of catkin in US English:

catkin

nounˈkatkənˈkætkən
  • A flowering spike of trees such as willow and hazel. Catkins are typically downy, pendulous, composed of flowers of a single sex, and wind-pollinated.

    柔荑花序

    Example sentencesExamples
    • Pin oaks produce drooping wind-pollinated male flowers called catkins; the female flowers come in groups of one to three just as the leaves begin to unfold.
    • Some varieties shed pollen from the male catkins before the female flowers are receptive, and so require pollen from another variety with a later pollen maturation date.
    • They also eat fruits, berries, twigs, leaves, catkins, and seeds.
    • In winter, they are most readily observed feeding in trees with catkins, such as birch and alder.
    • Live oaks produce male flowers called catkins that bloom in hanging clusters.

Origin

Late 16th century: from obsolete Dutch katteken ‘kitten’.

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更新时间:2024/11/13 6:52:40