1
: a perennial Eurasian herb (Foeniculum vulgare) that has clusters of small yellow flowers and aromatic leaves and seeds and includes several cultivated forms: such as
a
: one (F. vulgare var. dulce) grown especially for its edible leaves and seeds that are used as a seasoning
2
: the edible parts (such as the seeds and leaves) of fennel

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A perennial aromatic herb of the parsley family, fennel is native to southern Europe and Asia Minor and cultivated in the US, Britain, and temperate areas of Eurasia. The blanched shoots are eaten as a vegetable. The greenish brown to yellowish brown oblong-oval seeds smell and taste similar to anise. The seeds and extracted oil are used for scenting soaps and perfumes and for flavoring candies, liqueurs, medicines, and foods, particularly pastries, sweet pickles, and fish.

Examples of fennel in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Cut the fennel bulbs into quarters, trimming just a bit of the core (leave enough to hold the layers together), then slice thin. ABC News, 6 Aug. 2026 The botanical selection includes olive, myrtle, helichrysum, wild fennel, thyme and lemon peel, alongside juniper. Jillian Dara, Forbes.com, 4 Aug. 2026 Consider the crisp, Gimlet-like Mediterrânico, made with sea fennel and eucalyptus, or the Banana Bonanza, a riff on the Negroni with Madeira, banana, coconut butter, and fig leaf. Condé Nast, Condé Nast Traveler, 3 Aug. 2026 Chicken thighs seasoned with a bright lemon-herb rub roast briefly before apple wedges, slices of delicata squash (no peeling required), and fennel seeds go into the pan. Katlyn Moncada, Better Homes & Gardens, 1 Aug. 2026 See All Example Sentences for fennel

Word History

Etymology

Middle English fenel, from Old English finugl, from Vulgar Latin *fenuculum, from Latin feniculum fennel, irregular diminutive of fenum hay

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of fennel was before the 12th century

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Cite this Entry

“Fennel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fennel. Accessed 10 Aug. 2026.

Kids Definition

: a garden plant related to the carrot that is grown for its fragrant seeds and needle-shaped leaflets

Medical Definition

: a perennial European herb (Foeniculum vulgare) of the carrot family (Apiaceae) introduced into North America and cultivated for its aromatic seeds and its foliage

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