noun
: either of two perennial herbs of the genus Allium:
a. : a coarse Old World herb ( A. ampeloprasum ) that is widely naturalized, has a large bulb with papery outer coats, and bears a tall stalk of whitish or greenish purple-tinged flowers
b. : a No.American herb ( A. tricoccum ) with a slender bulb, fleshy leaves, and whitish flowers