1. Plural of ailanthus; fast-growing trees native to Asia, often with compound leaves and winged fruits, commonly planted as ornamentals or shade trees.
Usage: Also called tree of heaven; Often considered invasive in some regions

Examples

• The ailanthuses in the park grew rapidly despite poor soil conditions.
• Several ailanthuses had sprouted along the abandoned railway line.
• The city planted ailanthuses as street trees because of their hardiness.
• Ailanthuses are recognizable by their large compound leaves and distinctive winged seeds.
• Many gardeners remove ailanthuses because they spread aggressively.