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sesame

American  
[ses-uh-mee] / ˈsɛs ə mi /

noun

  1. a tropical, herbaceous plant, Sesamum indicum, whose small oval seeds are edible and yield an oil.

  2. the seeds themselves, used to add flavor to bread, crackers, etc.

  3. open sesame.


sesame British  
/ ˈsɛsəmɪ /

noun

  1. a tropical herbaceous plant, Sesamum indicum, of the East Indies, cultivated, esp in India, for its small oval seeds: family Pedaliaceae

  2. the seeds of this plant, used in flavouring bread and yielding an edible oil ( benne oil or gingili )

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sesame

1400–50; < Greek sēsámē sesame plant ≪ Akkadian shamashshammū, derived from shaman shammī plant oil; replacing sesam, late Middle English sysane < Latin sēsamum < Greek sḗsamon sesame seed


Explanation

If you pick a pod off a sesame plant and say “open sesame” like Ali Baba, you’ll get sesame seeds! People have been using sesame for its oil and seeds for over 3,000 years. That’s a lot of sesame bagels. Tiny sesame seeds are often used in baked goods, on sushi, to make oil, and in the Middle Eastern paste, tahini. The word itself is rooted in the Greek sesamon, "seed or fruit of the sesame plant." It's also been part of the well-known magical phrase, "open sesame" since Antoine Galland added it to the “One Thousand and One Nights.” in French: "Sésame, ouvre-toi!" Ali Baba uses it to open the forty thieves’ cave.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Natasha's Foundation founder Tanya Ednan-Laperouse, whose daughter died aged 15 from an allergy to sesame in a Pret A Manger baguette, said allergies were "a serious, unpredictable medical condition".

From BBC ● Oct. 8, 2026

The removal of sesame flour appears to address growing sesame allergies, although the company did not explain its rationale for the change.

From Los Angeles Times ● Sep. 9, 2026

Apart from poppy seeds, the product also contains sesame seeds, sea salt, minced garlic and minced onion.

From BBC ● Aug. 12, 2026

Simply put, this is the time to indulge in a summer cobbler, slurp on a delicious cooked sesame noodle salad, or whip up an easy garden-fresh pasta.

From Salon ● Jul. 20, 2026

He and my father talked about the day’s work while the daughters left to make tea and a breakfast of fried eggs, sour yogurt, apricot jam, and sesame butter.

From "Tasting the Sky" by Ibtisam Barakat

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