horseshoe crab

noun

|Updated on: 18 Jul 2018

Definition of horseshoe crab

: any of several closely related marine arthropods (order Xiphosura and class Merostomata) with a broad crescentic cephalothorax, six pairs of legs, and a spikelike tail; especially : one (Limulus polyphemus) of coastal waters from Maine to the Yucatán Peninsula — called also king crab

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Recent Examples of horseshoe crab from the Web

Among the sea life present were lobsters, horseshoe crabs, and shellfish.

— michael walsh, Courant Community, "Mystic Aquarium Touch Tank Visits Avon Library," 3 July 2018
Each spring, shorebirds migrating from South America to the Arctic stop on the sands of Delaware Bay to feast on masses of horseshoe crab eggs.

— Washington Post, "Bird flu hot spot: Scientists track virus in huge migration," 28 June 2018
With the state facing major issues on the budget deficit, pensions, highway tolls, casino gambling, and gun control, the legislature found time Wednesday to vote on satellite dishes and horseshoe crabs.

— christopher keating, courant.com, "House Votes on Satellite Dishes, Horseshoe Crabs," 11 Apr. 2018
The aquarium boasts a touch pool with horseshoe crabs, rays, and baby zebra sharks, as well as special opportunities to feed sting rays, sea turtles, and sharks.

— matt villano, Sunset, "Top 10 Things to Do in Las Vegas with Kids," 22 Jan. 2018
Octopuses, lobsters and horseshoe crabs use hemocyanin, which means blue blood.

— laura yan, Popular Mechanics, "Green-Blooded Lizards Live With a Pigment That Should Kill Them," 20 May 2018
For nearly 300 million years, the sea creatures resembling modern horseshoe crabs scoured the oceans.

— fiza pirani, ajc, "Tennessee girl discovers 475-million-year-old fossil of rare sea creature," 4 May 2018
Much of Slaughter Beach is a sanctuary for the horseshoe crab, and advertises the designation on its website.

— scott berson, miamiherald, "PETA asked mayor to change Slaughter Beach's name. He told them to 'stay in their lane' | Miami Herald," 2 May 2018
The state of Connecticut is trying to tell the towns what to do.’’ The House also voted 144 — 0 to establish a ban on the hand-harvesting of horseshoe crabs in Stratford in an attempt to preserve the crabs.

— christopher keating, courant.com, "House Votes on Satellite Dishes, Horseshoe Crabs," 11 Apr. 2018

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