: the seed of a fleawort (especially Plantago psyllium) that has the property of swelling and becoming gelatinous when moist and is used as a mild laxative
called also psyllium seed
Examples of psyllium in a Sentence
Recent Examples on the Web
One supplement is psyllium, a type of soluble fiber that comes from the seeds of the Plantago ovata plant.
—
Lauren O'Connor, Health, 3 June 2025
Kassim, who treats patients with irritable bowel syndrome, often recommends methylcellulose as a supplement over the popular psyllium husk because people will be more likely to stick with it.
—Akshay Syal, NBC news, 31 May 2025
Research shows that taking fiber supplements, especially those containing psyllium fiber, can help prevent constipation.11
Stay hydrated: Hydration is crucial for bowel regularity.
—Robert Burakoff, Health, 1 June 2025
My father couldn’t live without his daily cocktail of milk and psyllium husks.
—Priya Krishna, New York Times, 16 May 2025
See All Example Sentences for psyllium
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Lauren O'Connor, Health, 3 June 2025
Kassim, who treats patients with irritable bowel syndrome, often recommends methylcellulose as a supplement over the popular psyllium husk because people will be more likely to stick with it.
—Akshay Syal, NBC news, 31 May 2025
Research shows that taking fiber supplements, especially those containing psyllium fiber, can help prevent constipation.11
Stay hydrated: Hydration is crucial for bowel regularity.
—Robert Burakoff, Health, 1 June 2025
My father couldn’t live without his daily cocktail of milk and psyllium husks.
—Priya Krishna, New York Times, 16 May 2025
See All Example Sentences for psyllium
Cite this Entry
“Psyllium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psyllium. Accessed 17 Jun. 2025.
Copy CitationMedical Definition
psyllium
noun
psyl·li·um
ˈsil-ē-əm 
1
: fleawort
2
: psyllium seed
also
: the husks of psyllium seed
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