WordHive Learning Dictionary

Crab

noun

A crab is a hard-shelled sea animal with claws.

4 letters 1 syllable

What does Crab mean?

A crab is a hard-shelled sea animal with claws.

Dictionary definition

a sea animal with a hard shell, claws, and legs that often moves sideways.

Example sentences

Crab in a sentence

easy

The crab walked across the sand.

medium

A crab uses its claws to grab food and protect itself.

hard

The tide pool had a small crab hiding between the rocks.

Writing practice

Ready to write your own? Study the examples, then practice crab in a sentence with Sentence Builder checklist feedback.

Quick practice
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Practice the meaning of Crab

Answer three quick questions about its meaning and related words.

Practice 1

What does crab mean?

Practice 2

Which word is related to crab?

Practice 3

Which sentence uses crab correctly?

Pronunciation coach
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Crab

Voice settings
Sounds like

KRAB

Listen, then repeat the word.

Synonyms

Words like Crab

shellfishA water animal with a shell.
crustaceanA group of animals that includes crabs, lobsters, and shrimp.
Antonyms

Opposite words

fishA different kind of water animal without crab claws.
land mammalA very different kind of animal from a crab.
Synonym practice

Want to practice crab synonyms in context? Try a Synonym Search question like "The crab walked sideways across the sand," then compare close word choices. Practice crab synonyms.

Word family

Crab word family

Base word

crab

noun

crab

Base form.

noun

crabs

More than one crab.

Related words
Student support

Understand Crab

Hint for students

A crab is a hard-shelled sea animal with claws.

Common mix-up

Crab is not the same as fish. Crab means a crab is a hard-shelled sea animal with claws.

Try it in class or at home

Read this model sentence: A crab uses its claws to grab food and protect itself. Clue words: claws, uses, grab. Underline clue words that show why crab fits instead of fish. Now write one new sentence that shows crab without using the word crab. Ask: Does my sentence clearly show crab?

Teacher prompt

Ask students to explain this model sentence: "A crab uses its claws to grab food and protect itself." Why does crab fit better than fish?