lobster

1 of 2

noun (1)

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

lobster caterpillar

2 of 2

noun (2)

variants or lobster

plural -s

: a caterpillar that has extremely long thoracic legs and two long caudal processes, rests in a grotesque position, and feeds on many trees and shrubs see lobster moth

Examples of lobster in a Sentence

Noun (1)

I had lobster for dinner.

Recent Examples on the Web

Noun

My husband enjoyed one of their signature starters, the lobster bisque. — Kimberly Zapata, Parents, 18 Sep. 2026

And the owners of one of Connecticut’s most popular shoreline lobster restaurants are fighting it, too, saying a series of four-story buildings with fifth-floor lofts would be too big. — Don Stacom, Hartford Courant, 16 Sep. 2026

Fresh pasta made daily, like spaghetti with Burgundy truffles, cultured butter and parmigiano espuma or paccheri al Campagnolo with Maine lobster, tomatoes, capers and olives. — Miami Herald, 15 Sep. 2026

In the 1990s, high-end European restaurants whipped up culinary foams flavored with things like truffle oil or lobster broth. — Dee-Ann Durbin, Los Angeles Times, 14 Sep. 2026

Word History

Etymology

Noun (1)

Middle English, from Old English loppestre, from loppe spider

First Known Use

Noun (1)

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