crab spider: meaning, definition, pronunciation and examples

Medium-Low (specialist/naturalist contexts); Low (general usage).
UK/ˈkræb ˌspaɪ.dər/US/ˈkræb ˌspaɪ.dɚ/

Technical (zoology, entomology), Naturalist, Educational.

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Quick answer

What does “crab spider” mean?

A family (Thomisidae) of spiders that do not spin webs, but are ambush predators that often resemble or move sideways like a crab.

Audio

Pronunciation

Definition

Meaning and Definition

A family (Thomisidae) of spiders that do not spin webs, but are ambush predators that often resemble or move sideways like a crab.

A spider characterized by a flattened body, front legs often longer and held in a crab-like stance, and ability to walk sideways; known for camouflage and ambushing prey on flowers or bark.

Dialectal Variation

British vs American Usage

Differences

Term is identical in both varieties. Concept is universally understood in English-speaking scientific communities.

Connotations

Neutral, descriptive. Evokes imagery of sideways movement and camouflaged hunters in gardens or woods.

Frequency

Equally low frequency in general language. Slightly higher in regions with active naturalist groups or educational outreach.

Grammar

How to Use “crab spider” in a Sentence

[observe/spot/identify] a crab spiderThe crab spider [ambushes/walts/camouflages]

Vocabulary

Collocations

strong
flower crab spidergoldenrod crab spidercamouflaged crab spiderambush crab spider
medium
crab spider speciescrab spider familycrab spider preycrab spider habitat
weak
tiny crab spidergreen crab spidergarden crab spiderobserve a crab spider

Examples

Examples of “crab spider” in a Sentence

adjective

British English

  • The crab-spider morphology is fascinating.
  • We studied crab-spider predation techniques.

American English

  • The crab-spider anatomy is fascinating.
  • We studied crab-spider hunting behaviors.

Usage

Meaning in Context

Business

Virtually never used.

Academic

Used in biological/zoological texts, field guides, and ecology papers.

Everyday

Used by gardeners, nature enthusiasts, or in educational settings like school projects.

Technical

Standard term in arachnology and invertebrate biology.

Vocabulary

Synonyms of “crab spider”

Neutral

thomisid (technical)flower spider (for some genera)ambush spider

Weak

crab-like spidersideways-walking spider

Vocabulary

Antonyms of “crab spider”

web-weaving spiderorb-weaver

Watch out

Common Mistakes When Using “crab spider”

  • Using 'crab spider' to refer to a spider that lives near crabs or water.
  • Confusing with 'harvestman' (daddy longlegs) which also can have a crab-like shape.

FAQ

Frequently Asked Questions

No, crab spiders are not considered dangerous. Their venom is not medically significant to humans, and they are not aggressive.

They are named for their crab-like appearance: a flattened, often broad body, and their ability to walk sideways or backwards, similar to a crab.

They are found worldwide in a variety of habitats, but are commonly seen on flowers, leaves, or tree bark where their camouflage is most effective.

No, colour-changing ability is known in certain genera, like Misumena (flower crab spiders), but it is not a trait of all crab spider species.

A family (Thomisidae) of spiders that do not spin webs, but are ambush predators that often resemble or move sideways like a crab.

Crab spider is usually technical (zoology, entomology), naturalist, educational. in register.

Crab spider: in British English it is pronounced /ˈkræb ˌspaɪ.dər/, and in American English it is pronounced /ˈkræb ˌspaɪ.dɚ/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Imagine a tiny SPIDER that scuttles SIDEWAYS like a CRAB, waiting in a flower to grab a bee.

Conceptual Metaphor

SPIDER IS A CRAB (based on shape and locomotion).

Practice

Quiz

Fill in the gap
A does not build a web, but instead ambushes its prey, often on flowers.
Multiple Choice

What is the primary hunting method of a crab spider?