iris
iris — noun
1. a garden flower with tall, upright stems and colourful petals that appear in sha
a garden flower with tall, upright stems and colourful petals that appear in shades such as white, blue, and purple.
Mira planted a row of tall purple irises along the edge of her garden.
collocation: planted + irises
The yellow irises in the park bloomed early this year after the heavy spring rain.
collocation: irises bloom
Minho chose a bouquet of white irises for his grandmother's birthday party.
Liang dug small holes in the damp soil and placed the iris bulbs carefully inside.
Blue irises grew beside the old stone wall where Esteban liked to sit and read.
- flag
a term used for wild irises, especially those growing in wet or marshy ground
- fleur-de-lis
a stylised, three-petal design based on the iris flower, used in art and heraldry rather than for the living plant
2. the coloured ring of muscle inside the eye that makes the pupil larger or smalle
the coloured ring of muscle inside the eye that makes the pupil larger or smaller to control how much light enters.
The doctor examined the colour of Ishaan's iris with a small light.
collocation: colour of the iris
When the room grew darker, Ari's iris expanded to let more light reach the pupil.
iris expands / contracts to control light
Green irises are much rarer around the world than brown or blue ones.
Kemi spotted a brown mark near the edge of her iris at a routine check.
Ife's eye doctor said her iris was healthy and the muscles were working properly.
用法筆記
In everyday English, people usually talk about 'eye colour' rather than 'iris colour' (e.g. 'She has blue eyes' instead of 'She has blue irises'). The word 'iris' is more common in medical or scientific contexts.