acer
n. countable C2 Proficiency US //ˈeɪsɝ// ac·er
n. a type of tree or shrub that belongs to the maple family. Many people plant them in gardens because they have beautiful, colourful leaves.
n. any tree or shrub belonging to the genus Acer, which includes all maples. Often used in horticultural contexts to refer specifically to ornamental Japanese varieties.
The acer in the garden turns bright red in autumn.
The landscape architect recommended planting a small acer near the pond to provide a focal point of seasonal colour.
While many species of acer grow into massive forest trees, the smaller cultivars are prized by gardeners for their delicate, palmate leaves and their ability to thrive in large containers.
Usage
The plural form is 'acers'.