green onion
noun
Definition of green onion
: a young onion pulled before the bulb has enlarged and used especially in salads
From the M-W Editors
First Known Use of green onion
1577
GREEN ONION Defined for English Language Learners
green onion
noun
Definition of green onion for English Language Learners
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: a young onion that is pulled from the ground before the bulb has become large
Learn More about green onion
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Britannica.com: Encyclopedia article about green onion
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