lobster

noun

lob·​ster ˈläb-stər 

often attributive

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

2

: spiny lobster

lobsterlike

ˈläb-stər-ˌlīk 

adjective

Illustration of lobster

• lobster 1

Examples of lobster in a Sentence

I had lobster for dinner.

Recent Examples on the Web

In another corner was a full raw bar complete with clam-and-lobster shaped ice sculptures. — Elise Taylor, Vanity Fair, 2 Oct. 2026

The menu has changed a bit, too, highlighting seasonal dishes for fall that include lobster cacio e pepe, jumbo shrimp cocktail and bourbon pecan pie. — Connie Ogle, Miami Herald, 2 Oct. 2026

The restaurant, located in the city's SoHo neighborhood, features upscale takes on nostalgic classics like pizza rolls, French dip and lobster frites. — ABC News, 2 Oct. 2026

The Surf & Turf ramen burrito included bulgogi and lobster for $30. — Sacbee.com, 2 Oct. 2026

Word History

Etymology

Middle English, from Old English loppestre, from loppe spider

First Known Use

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

Phrases Containing lobster

• hanging lobster claw
• lobster claw
• lobster pot
• lobster shift
• lobster thermidor
• lobster trap
• Norway lobster
• rock lobster
• spiny lobster

Rhymes for lobster

• mobster

Kids Definition

lobster

noun

lob·​ster ˈläb-stər 

: any of several large edible marine crustaceans with stalked eyes, a pair of large claws, and a long abdomen

also : spiny lobster