# Acer

/ˈeɪsɝ/ (US) · CEFR C2 · Noun

Source: https://englishreference.com/word/acer
Updated: 2026-05-08

## Definition

a type of tree or shrub that belongs to the maple family. Many people plant them in gardens because they have beautiful, colourful leaves.

For teachers: 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.

## Examples

- 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 notes

- The plural form is 'acers'.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.