oyster

noun

oys·​ter ˈȯi-stər How to pronounce oyster (audio)
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 Getting ready to open Aqua Penny’s — her new, upscale seafood restaurant with a raw oyster bar — has been a labor of love. Jenna Thompson, Kansas City Star, 4 Apr. 2024 The prep sink was filled with raw oysters but inspectors didn’t see shellfish tags on them, Wednesday’s report said. Jacqueline Pinedo, Sacramento Bee, 29 Mar. 2024 Oyster Tasting in the Bay of Arcachon Photo: Getty Images Most Popular Head southwest for a week of oyster tastings on the Bay of Arcachon. Monica Mendal, Vogue, 28 Mar. 2024 Chris adds vegetable broth (Chris, like me, is a fan of Better Than Bouillon to speed things along), soy sauce and a shiitake stir-fry sauce in place of the oyster sauce typically used in pancit. Julia Turshen, Washington Post, 28 Mar. 2024 Carefully wash fruits and vegetables and cook oysters and other shellfish thoroughly. Alex Groth, Journal Sentinel, 19 Mar. 2024 As the name suggests, the trend takes its inspo from the delicate, luminous sheen of pearls, as well as leaning into a champagne-y, oyster color palette. Elle Turner, Glamour, 18 Mar. 2024 Arizona's planet will demonstrate personality and state pride, similar to Wisconsin's waltz and Washington's oyster. Brenna Gauchat, The Arizona Republic, 26 Mar. 2024 There are oysters with hot sauce, crab Louie tartlets, diver scallop crudo, and potato pancakes that can be topped with Kaluga caviar. Tori Latham, Robb Report, 22 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'oyster.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English oistre, borrowed from Anglo-French oistre, ostre, going back to Latin ostrea, ostreum "bivalve mollusk, oyster," borrowed from Greek óstreion, óstreon, of uncertain origin

Note: Greek óstreion has traditionally been taken to be a derivative, with a suffix -ei-, of a stem going back to Indo-European *h3esth1-r-, from the base *h3esth1- "bone." See note at ostracon.

First Known Use

13th century, in the meaning defined at sense 1a

Time Traveler
The first known use of oyster was in the 13th century

Dictionary Entries Near oyster

Cite this Entry

“Oyster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oyster. Accessed 18 Apr. 2024.

Kids Definition

oyster

noun
oys·​ter ˈȯi-stər How to pronounce oyster (audio)
: 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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