D defs.my
Entry 1 sense Webster, 1913

Catkin

/(kăt"kĭn)/ · Cat·kin · IPA
01 n. An ament; a species of inflorescence, consisting of a slender axis with many unisexual apetalous flowers along its sides, as in the willow …
  1. 1.
    An ament; a species of inflorescence, consisting of a slender axis with many unisexual apetalous flowers along its sides, as in the willow and poplar, and (as to the staminate flowers) in the chestnut, oak, hickory, etc. -- so called from its resemblance to a cat's tail. See Illust. of Ament.(Bot.) See: Ament