A tropical American tree (Hura crepitans) having an irritating milky juice, a spiny trunk, and large woody seed capsules that split explosively when ripe.
A tropical American tree (Hura crepitans) of the spurge family, with small, woody fruit that bursts with a loud noise when ripe and scatters its seeds.
Origin of sandbox-tree
- So called because the capsules were formerly used to hold sand for drying ink
From American Heritage Dictionary of the English Language, 5th Edition