catkin

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cat·kin

 (kăt′kĭn)
n.
A dense, cylindrical, often drooping cluster of unisexual apetalous flowers found especially in willows, birches, and oaks. Also called ament.

[From obsolete Dutch katteken, kitten, diminutive of katte, cat (from its resemblance to a kitten's tail), from Germanic *kattuz.]

catkin

(ˈkætkɪn)
n
(Botany) an inflorescence consisting of a spike, usually hanging, of much reduced flowers of either sex: occurs in birch, hazel, etc. Also called: ament
[C16: from obsolete Dutch katteken kitten, identical in meaning with French chaton, German Kätzchen]

cat•kin

(ˈkæt kɪn)

n.
a spike of unisexual flowers with scaly bracts and no petals, as on the willow or birch.
Also called ament.
[1570–80; < Dutch katteken little cat (now obsolete)]
cat′kin•ate` (-kəˌneɪt) adj.

cat·kin

(kăt′kĭn)
A long, thin cluster of tiny, petalless flowers growing on willows, birches, oaks, poplars, and certain other trees. The flowers on a catkin are either all male or all female. See more at flower.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.catkin - a cylindrical spikelike inflorescencecatkin - a cylindrical spikelike inflorescence
inflorescence - the flowering part of a plant or arrangement of flowers on a stalk
Translations
尾状花序

catkin

[ˈkætkɪn] Namento m, candelilla f

catkin

[ˈkætkɪn] n [hazel] → chaton mcat litter nlitière f (pour chats)

catkin

[ˈkætkɪn] n (Bot) → amento, gattino
References in classic literature ?
Walking some forty paces away, Sergey Ivanovitch, knowing he was out of sight, stood still behind a bushy spindle-tree in full flower with its rosy red catkins. It was perfectly still all round him.
I was standing with Rachel beside the water, amusing the laughing baby in her arms with a twig of willow laden with golden catkins, when, greatly to my surprise, he entered the park, mounted on his costly black hunter, and crossed over the grass to meet me.
So, in March you could be sensitive to a pollen from spring flowers, then in April to tree blossom, then in May to catkins and in June to summer flowers like roses.
This Japanese pink pussy willow is a lovely new variety of Salix with soft pretty pink catkins in late winter and early spring.
The long cylindrical catkins drip down in silvery clusters, giving rise to the common name of the silk tassel bush.
Catkins are a terrific early source of pollen in the garden.
It feeds primarily on willow and birch buds and catkins.
My gutters are capped with covers that are designed using the physics principle of "liquid adhesion." Every spring, the oak trees drop their catkins and when they are moistened by rain, the perforated openings in the gutter hood tracks get clogged.
Trees are coming back into leaf with bursting buds and catkins, snowdrops are growing and bluebells are blooming at the local nature reserve.
Elder looks good and provides food for birds and humans Yellow catkins Holly makes a safe haven for birds and brings decorate the hazel strong colour to the garden in winter
Greenish yellow catkins will soon dangle from the tree's twisted branches, followed by a covering of bright green leaves in spring and summer.