catkin

noun

cat·​kin ˈkat-kən 

: a spicate inflorescence (as of the willow, birch, or oak) bearing scaly bracts and unisexual usually apetalous flowers

called also ament

Examples of catkin in a Sentence

Recent Examples on the Web

Watch for showy red and burgundy leaves in the fall, architectural interest in the winter, yellow-green catkins in the spring, and a dense green canopy in the summer. — The Spruce, 8 Sep. 2026

Wisconsin grouse opted first for quaking aspen buds, hazelnut catkins and white clover leaves, then turned their attention to wild cherries and blackberries. — Tom Huggler, Outdoor Life, 13 Aug. 2026

Moss paused to watch, as an oak catkin blew down and nestled in his hair. — Nick Paumgarten, New Yorker, 3 Aug. 2026

Male catkins develop pollen which drifts on the wind to pollinate female flowers. — Sheryl Devore, Chicago Tribune, 10 June 2026

Word History

Etymology

from its resemblance to a cat's tail

First Known Use

1578, in the meaning defined above

Kids Definition

catkin

noun

cat·​kin ˈkat-kən 

: a flower cluster (as of the willow or birch) in which the flowers grow in close circular rows along a slender stalk