allium

noun

al·​li·​um ˈa-lē-əm 

plural alliums

: any of a large genus (Allium) of bulbous herbs of the amaryllis family that includes the onion, garlic, chive, and leek

Examples of allium in a Sentence

Recent Examples on the Web

Ramps and leeks are all a part of the allium family too. —Stacey Lastoe, Southern Living, 14 June 2026

Coneflowers, alliums, and phlox are all popular seasonal exclamation points in naturalistic gardens, but the best choice for your garden are flowers that thrive naturally in your climate. —Miranda Crowell, Better Homes & Gardens, 14 June 2026

Scallion Oil Noodles Scallion oil noodles, a specialty of Shanghai and the greater Jiangnan region in eastern China, showcase the allium sweetness and mellow pungency of one of the most versatile aromatics in Chinese cuisine. —The Washington Post, San Diego Union-Tribune, 10 June 2026

For example, deer and rabbits dislike alliums and may avoid areas with garlic or onions. —Samantha Johnson, Martha Stewart, 2 June 2026

Word History

Etymology

borrowed from New Latin, genus name, going back to Latin ālium, allium "garlic," of uncertain origin

Note: Compared with Latin āla "wing," if the cloves of a garlic head are comparable to wings, though neither the derivational relationship nor the analogy are more than speculative.

First Known Use

1600, in the meaning defined above

Rhymes for allium

• gallium
• pallium
• thallium

Medical Definition

allium

noun

al·​li·​um ˈal-ē-əm 

1

Allium : a genus of bulbous herbs (as an onion, garlic, or leek) of the amaryllis family distinguished by a characteristic odor, sheathing, mostly basal leaves, and clusters of usually white, blue, purple, pink, or red flowers

2

a

: a plant of the genus Allium

b

: the bulb of garlic formerly used in medicine especially as an expectorant and rubefacient