allium Syllabification: (al·li·um)Pronunciation: /ˈalēəm/Definition of allium noun (plural alliums) a bulbous plant of a genus that includes the onion and its relatives (e.g., garlic, leek, and chives). Genus Allium, family Liliaceae (or Alliaceae) Origin: early 19th century: Latin, literally 'garlic'allium in other Oxford dictionaries Definition of allium in the British & World English dictionary
