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 With award-winning chefs and pitmasters, an oyster roast, and a fantastic band, this will be a very fun night in the Lowcountry. Southern Living Editors, Southern Living, 16 July 2024 Zoom in: The restaurant will have three bar areas: a 10-seat oyster bar, 15-seat first floor bar and 11-seat second floor bar. Isaac Avilucea, Axios, 11 July 2024 Burgers, ice cream, oyster bars and great patios: What and where to eat in L.A. this summer 🌴 Here are 19 of the best Caribbean restaurants to try in Los Angeles. Andrew J. Campa, Los Angeles Times, 7 July 2024 As Dove Barr walked along a footpath, her tennis shoes crunched ancient oyster shells—an echo of a past when Indigenous and later enslaved people once lived and fished here. Alexia Fernández Campbell, Essence, 4 July 2024 See all Example Sentences for oyster 

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 30 Jul. 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

More from Merriam-Webster on oyster

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!