ad·e·noid
ˈa-də-ˌnȯid 
ˈad-ˌnȯid
: either of two abnormally enlarged masses of lymphoid tissue at the back of the pharynx that usually obstruct the nasal and ear passages
also
: such a mass when not abnormally enlarged
—usually used in plural
1
: of or relating to the adenoids
2
: relating to, affected with, or associated with abnormally enlarged adenoids
a severe adenoid condition
adenoid facies
Examples of adenoid in a Sentence
Recent Examples on the Web
Mark Gurarie, Health, 21 Sep. 2024
This proved especially true in children with enlarged tonsils or adenoids.
—Cristina Mutchler, Verywell Health, 24 July 2024
Jen Juneau, Peoplemag, 15 July 2024
On Thursday, the Married to Real Estate star, 46, shared video on Instagram of daughter Harper Skye, 4, before and after getting adenoid removal surgery.
—Angela Andaloro, Peoplemag, 5 Oct. 2023
See all Example Sentences for adenoid 
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Noun
Causes Cobblestone throat occurs when there's swelling and inflammation in the tonsils and adenoids.
—Mark Gurarie, Health, 21 Sep. 2024
This proved especially true in children with enlarged tonsils or adenoids.
—Cristina Mutchler, Verywell Health, 24 July 2024
Adjective
Danner herself was previously diagnosed with adenoid cystic carcinoma, a relatively rare form of oral cancer that often develops in the salivary glands.
—Jen Juneau, Peoplemag, 15 July 2024
On Thursday, the Married to Real Estate star, 46, shared video on Instagram of daughter Harper Skye, 4, before and after getting adenoid removal surgery.
—Angela Andaloro, Peoplemag, 5 Oct. 2023
See all Example Sentences for adenoid
Dictionary Entries Near adenoid
Cite this Entry
“Adenoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adenoid. Accessed 28 Nov. 2024.
Copy CitationKids Definition
adenoid
1 of 2 noun
ad·e·noid
ˈad-ᵊn-ˌȯid
ˈad-ˌnȯid
: either of two masses of tissue at the back of the pharynx that usually interfere with breathing when abnormally enlarged
—usually used in plural
adenoid
2 of 2 adjective1
: of or relating to the adenoids
2
: relating to or affected with abnormally enlarged adenoids
Medical Definition
adenoid
1 of 2 adjective
ad·e·noid
ˈad-ᵊn-ˌȯid, ˈad-ˌnȯid
1
: of, like, or relating to glands or glandular tissue
especially
: like or belonging to lymphoid tissue
2
: of or relating to the adenoids
in the adenoid region of the pharynx
3
a
: of, relating to, or affected with abnormally enlarged adenoids
a severe adenoid condition
an adenoid patient
b
: characteristic of one affected with abnormally enlarged adenoids
adenoid facies
adenoid
2 of 2 noun1
: an abnormally enlarged mass of lymphoid tissue at the back of the pharynx characteristically obstructing the nasal and ear passages and inducing mouth breathing, nasality, postnasal discharge, and dullness of facial expression
—usually used in plural
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