spring onion
nounUK /ˌsprɪŋ ˈʌnjən/
US /ˌsprɪŋ ˈʌnjən/
A spring onion is a small green onion that people eat.
She chopped a spring onion and put it in her soup.
OTHER MEANINGS
2. A young onion harvested before its bulb fully forms, eaten raw or cooked.
The recipe calls for two spring onions, sliced thinly.
3. A garnish used in salads and stir-fries for a mild onion flavor.
He sprinkled spring onions over the noodles.
4. A term used in British English for what Americans often call a scallion.
In the UK, you buy spring onions at the greengrocer.