catkin

詳細解釋：

cat.kin

n.（名詞）
A usually dense, cylindrical, often drooping cluster of unisexual, apetalous flowers found in willows, birches, and oaks.Also called ament
柔荑花序：柳樹、樺樹和橡樹的常為濃密、呈圓形並成團落下的單性、無花瓣花朵也作 ament

來源：
From obsolete Dutch katteken [kitten] [diminutive of] katte [cat (from its resemblance to a kitten`s tail)]
源自 已廢荷蘭語 katteken [小貓] [] katte的小後綴 [貓（因其形似小貓的尾巴而命名）]
from Germanic *kattuz
源自 日耳曼語 *kattuz