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

The menu includes dishes like a Thai spicy beef with basil, a Chilean sea bass served with Thai green curry and a lobster macadamia nut sushi roll, as well as dumplings, pho and spicy noodles. —Reia Li, AZCentral.com, 19 Dec. 2025

All of the pastas are made in-house and include spaghetti tossed with crab meat and lobster cream or rigatoni in creamy vodka sauce enlivened with a punch of Calabrian chiles and plenty of garlic. —Usa Today Network, USA Today, 19 Dec. 2025

Buttery lobster tail, truffle butter, jumbo lump crab cakes and roasted bone marrow are some of the enhanced holiday meal options, according to a news release by the chain. —Camila Pedrosa, Sacbee.com, 17 Dec. 2025

Add twin petite cold-water lobster tails or two jumbo lump crab cakes for an additional $39, 'Oscar style' crab for an additional $12, lobster macaroni shells and cheese for an additional $19. —Gege Reed, Louisville Courier Journal, 16 Dec. 2025

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