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noun

cephalopod

SEF-uh-luh-pod
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Cephalopod (noun) means any mollusc belonging to the group that includes squid, cuttlefish, octopus and nautiloids. Example: “Octopuses and squid are both cephalopods.”

noun
1
Any mollusc belonging to the group that includes squid, cuttlefish, octopus and nautiloids.
"Octopuses and squid are both cephalopods."
"The aquarium opened a new exhibit devoted to unusual cephalopods."
"Marine biologists study how quickly cephalopods can change colour."

How to use cephalopod

Learner’s notes

In plain EnglishA cephalopod is a type of sea creature, like an octopus or squid, with a soft body and arms grouped around its head.

When to use it

Cephalopod is a neutral scientific term at home in both biology textbooks and everyday nature writing.

Memory tip

Splitting the word into its Greek roots, head plus foot, is a quick way to remember what it names.

Trace the full origin ↓
Easily confused with
gastropod
Common pairings
cephalopod species cephalopod intelligence marine cephalopod giant cephalopod
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Octopuses and squid are both _____.

Etymology

The word comes from French céphalopode, which in turn goes back to Ancient Greek roots meaning head and foot. It was built from the same pattern as other -pod words, joining a term for the head with one for a foot or leg.

Origin: French

Rhymes for cephalopod

See all rhymes for cephalopod →

Frequently asked questions

What is a cephalopod?
A cephalopod is a mollusc such as an octopus, squid, cuttlefish or nautilus.
What animals count as cephalopods?
Squid, cuttlefish, octopuses and nautiloids are all classed as cephalopods.
Is an octopus a cephalopod?
Yes, an octopus is one of the best-known types of cephalopod.
What is the meaning of cephalopod?
"cephalopod" (noun) means any mollusc belonging to the group that includes squid, cuttlefish, octopus and nautiloids.