often attributive
1
a
: any of various marine bivalve mollusks (family Ostreidae) that have a rough irregular shell closed by a single adductor muscle and include commercially important shellfish
b
: any of various mollusks resembling or related to the oysters
2
: something that is or can be readily made to serve one's personal ends
the world was her oyster
3
: a small mass of muscle contained in a concavity of the pelvic bone on each side of the back of a fowl
4
: an extremely taciturn person
5
: a grayish-white color
Examples of oyster in a Sentence
Recent Examples on the Web
The al fresco drinking hole complements its champagne cocktails and rare single malts by the glass with Caspian Sea caviar, oysters on the half shell, Wagyu beef skewers, and truffled French fries.
—
Joe Yogerst, Forbes.com, 27 Apr. 2025
There’s also a pizza topped with shrimp and bacon, a take on a Reuben sandwich made with fish in place of corned beef, and fried oysters tossed in buffalo sauce and blue cheese.
—Tara Massouleh McCay, Southern Living, 26 Apr. 2025
Birds, fish, oysters and ocean floor habitat all suffered massive losses and damage.
—Daniel Moss, The Orlando Sentinel, 24 Apr. 2025
Read the full Taurus Daily Horoscope Gemini (May 21 - June 21)
The world may feel like your oyster until your subconscious gets involved.
—Usa Today, USA Today, 22 Apr. 2025
See All Example Sentences for oyster
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Joe Yogerst, Forbes.com, 27 Apr. 2025
There’s also a pizza topped with shrimp and bacon, a take on a Reuben sandwich made with fish in place of corned beef, and fried oysters tossed in buffalo sauce and blue cheese.
—Tara Massouleh McCay, Southern Living, 26 Apr. 2025
Birds, fish, oysters and ocean floor habitat all suffered massive losses and damage.
—Daniel Moss, The Orlando Sentinel, 24 Apr. 2025
Read the full Taurus Daily Horoscope Gemini (May 21 - June 21)
The world may feel like your oyster until your subconscious gets involved.
—Usa Today, USA Today, 22 Apr. 2025
See All Example Sentences for oyster
Cite this Entry
“Oyster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oyster. Accessed 2 May. 2025.
Copy CitationKids Definition
oyster
noun
oys·ter
ˈȯi-stər 
: any of various marine mollusks that include important edible shellfish and have a rough uneven shell made up of two hinged parts and closed by a single muscle
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