horse_chestnut has definitions from the field of botany
1
[ noun ] (botany) tree having palmate leaves and large clusters of white to red flowers followed by brown shiny inedible seeds

Used in print

(John Cheever, "The Brigadier and the Golf Widow,"...)

But the shelter is as_much a part of my landscape as the beech and horse-chestnut trees that grow on the ridge .

2
[ noun ] (botany) the inedible nutlike seed of the horse chestnut

Synonyms

conker buckeye

Related terms

seed

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