Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun horse_chestnut

2 senses of horse chestnut

Sense 1
horse chestnut, buckeye, Aesculus hippocastanum -- (tree having palmate leaves and large clusters of white to red flowers followed by brown shiny inedible seeds)
       => angiospermous tree, flowering tree -- (any tree having seeds and ovules contained in the ovary)

Sense 2
buckeye, horse chestnut, conker -- (the inedible nutlike seed of the horse chestnut)
       => seed -- (a small hard fruit)