Noun scallion has 2 senses
  1. leek, scallion, Allium porrum - plant having a large slender white bulb and flat overlapping dark green leaves; used in cooking; believed derived from the wild Allium ampeloprasum
    --1 is a kind of alliaceous plant
    --1 has parts: leek
  2. green onion, scallion - young onion before the bulb has enlarged
    --2 is a kind of onion
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