pi·tu·i·tary
pə-ˈtü-ə-ˌter-ē 
-ˈtyü-
1
: of or relating to the pituitary gland
2
: caused or characterized by secretory disturbances of the pituitary gland
pituitary dwarfism
Examples of pituitary in a Sentence
Recent Examples on the Web
New Atlas, 13 July 2025
Da Silva had been diagnosed with a benign pituitary tumor prior to her UFC 316 fight camp, which resulted in her team moving to a new nutritionist to help with the weight cut.
—Trent Reinsmith, Forbes.com, 12 June 2025
Rachel Gurevich, Parents, 30 July 2024
The pituitary sits in a small pocket of bone just under a central brain region called the hypothalamus.
—Nicholas Wade, New York Times, 22 Feb. 2024
See All Example Sentences for pituitary
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Adjective
That mechanism, the researchers found, was a disruption along the hypothalamic–pituitary–adrenal (HPA) axis, one of the body’s main stress response systems.
—New Atlas, 13 July 2025
Da Silva had been diagnosed with a benign pituitary tumor prior to her UFC 316 fight camp, which resulted in her team moving to a new nutritionist to help with the weight cut.
—Trent Reinsmith, Forbes.com, 12 June 2025
Noun
Treatment of a brain tumor with radiation can cause long-term damage to the pituitary.
—Rachel Gurevich, Parents, 30 July 2024
The pituitary sits in a small pocket of bone just under a central brain region called the hypothalamus.
—Nicholas Wade, New York Times, 22 Feb. 2024
See All Example Sentences for pituitary
Cite this Entry
“Pituitary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pituitary. Accessed 22 Sep. 2025.
Copy CitationKids Definition
pituitary
1 of 2 adjective
pi·tu·i·tary
pə-ˈt(y)ü-ə-ˌter-ē
: of, relating to, or being the pituitary gland
Medical Definition
pituitary
1 of 2 adjective
pi·tu·i·tary
pə-ˈt(y)ü-ə-ˌter-ē
1
: of or relating to the pituitary gland
2
: caused or characterized by secretory disturbances of the pituitary gland
a pituitary dwarf
pituitary
2 of 2 noun
plural pituitaries
1
2
: the cleaned, dried, and powdered posterior lobe of the pituitary gland of cattle that is used in the treatment of uterine atony and hemorrhage, shock, and intestinal paresis
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