spring onion

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spring onion (plural spring onions)

2. A species of onion (Allium fistulosum) with slender bulbs; originally Asian, now worldwide.

   Synonyms: green onion, scallion, Welsh onion, Japanese bunching onion

   Hypernym: onion (broad sense)

   Coordinate terms: onion (narrow sense), wild onion

4. Any of several types of onion that look similar, including the young plants from varieties whose bulbs would eventually grow large if they were harvested later.

   Synonyms: green onion, scallion

   Hypernym: onion (broad sense)

• spring onion on Wikipedia.Wikipedia
• Allium fistulosum on Wikispecies.Wikispecies