scallion

American  

[skal-yuhn] / ˈskæl yən /

noun

1. any onion that does not form a large bulb; green onion.

2. a shallot.

3. a leek.

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scallion British  

/ ˈskæljən /

noun

1. Also called: green onion.  any of various onions or similar plants, such as the spring onion, that have a small bulb and long leaves and are eaten in salads

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Etymology

Origin of scallion

1300–50; late Middle English scalyon ( e ) < Old French *escaloigne < Vulgar Latin *escalonia, variant of Latin Ascalōnia ( caepa ) onion of Ascalon, a seaport of Palestine; replacing Middle English scalone, scaloun < Anglo-French scaloun < Vulgar Latin, as above