noun, often attributive
lob·​ster | \ ˈläb-stər How to pronounce lobster (audio) \

Definition of lobster

1 : any of a family (Nephropidae and especially Homarus americanus) of large edible marine decapod crustaceans that have stalked eyes, a pair of large claws, and a long abdomen and that include species from coasts on both sides of the North Atlantic and from the Cape of Good Hope

Illustration of lobster

Illustration of lobster

lobster 1

Keep scrolling for more

Other Words from lobster

lobsterlike \ ˈläb-​stər-​ˌlīk How to pronounce lobster (audio) \ adjective

Examples of lobster in a Sentence

I had lobster for dinner.
Recent Examples on the Web The restaurant represented the pinnacle of French fine dining in San Francisco, and its closure marks the end of an era for white tablecloths, poached lobster and foie gras. Liba. Tara Duggan, SFChronicle.com, "The most significant San Francisco Bay Area restaurant closures of 2020," 16 Dec. 2020 So far this year, China has hit Australia with a raft of trade restrictions on products including copper, wine, timber and lobster amid deteriorating diplomatic ties. Jason Scott, Bloomberg.com, "Australia to Challenge China at the WTO as Tensions Escalate," 16 Dec. 2020 The restaurant offers a surf and turf meal for two for $72 that includes an 8-ounce prime rib and 6-ounce lobster tail. Audrey Eads, Dallas News, "50-plus D-FW restaurants and grocers offering holiday takeout meals," 14 Dec. 2020 Bull and Bourbon has a Wednesday night Surf and Turf Special for $29 (filet mignon and lobster tail). Ron Donoho Writer, San Diego Union-Tribune, "Openings, renovations move forward at area’s casinos," 13 Dec. 2020 The menu includes holiday appetizers and side dishes along with full dinner packages, featuring porchetta and whole roasted beef tenderloin, salmon and lobster. Leeanne Griffin, courant.com, "Connecticut restaurants offer Christmas Eve, Christmas Day dining and takeout options," 10 Dec. 2020 The restaurant is offering a special lobster and shrimp roll as an entrée or family bundle that serves up to five and comes with a side, cookies, and bread (through July 5). Jennifer Aldrich, Country Living, "Here Are the Restaurants Open on the 4th of July—Just in Case Your Plans Change," 30 June 2020 Many metro Detroit restaurants have put together an assortment of to-go offerings, from burgers to lobster tails to brunch and complete dinner options. Susan Selasky, Detroit Free Press, "Where to order special New Year's brunch or dinner packages to-go," 28 Dec. 2020 Del Frisco’s Sophisticated Evening for Two features Prime New York prime strip steaks and North Atlantic lobster tails. Colin Daniels, Chron, "Chron Exclusive: Get $25 off your $150 purchase at Landry's Kitchen," 18 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lobster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of lobster

before the 12th century, in the meaning defined at sense 1

History and Etymology for lobster

Middle English, from Old English loppestre, from loppe spider

Keep scrolling for more

Learn More about lobster

Time Traveler for lobster

Time Traveler

The first known use of lobster was before the 12th century

See more words from the same century

Statistics for lobster

Last Updated

20 Jan 2021

Cite this Entry

“Lobster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lobster. Accessed 20 Jan. 2021.

Keep scrolling for more

More Definitions for lobster


How to pronounce lobster (audio)

English Language Learners Definition of lobster

: an ocean animal that has a long body, a hard shell, and a pair of large claws and that is caught for food
: the meat of the lobster eaten as food


lob·​ster | \ ˈläb-stər How to pronounce lobster (audio) \

Kids Definition of lobster

: a large edible sea animal that is a crustacean with five pairs of legs of which the first pair usually has large claws

More from Merriam-Webster on lobster

Nglish: Translation of lobster for Spanish Speakers

Britannica.com: Encyclopedia article about lobster

Comments on lobster

What made you want to look up lobster? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

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