Noun: scallionskalyun Usage: N. Amer, Ireland (=spring onion)
Plant having a large slender white bulb and flat overlapping dark green leaves; used in cooking; believed derived from the wild Allium ampeloprasum - leek, Allium porrum, spring onion [Brit]
A young onion before the bulb has enlarged; eaten in salads - green onion [N. Amer], spring onion [Brit]