wild leek wild·leek uncommon noun 1. North American perennial having a slender bulb and whitish flowers Synonymsrampwild leekAllium tricoccum 2. coarse Old World perennial having a large bulb and tall stalk of greenish purple-tinged flowers; widely naturalized Synonymswild leekLevant garlickurratAllium ampeloprasum Related words Broader terms alliaceous plant WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.