ALLIUM Meaning of ALLIUM in English [ 'alɪəm ]■ noun ( plural ~s ) a bulbous plant of a genus that includes the onion and its relatives (e.g. garlic and chives). [Genus Allium .]OriginL., 'garlic'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004