chelicera: meaning, definition, pronunciation and examples

C1
UK/kɪˈlɪs(ə)rə/US/kəˈlɪsərə/

Technical/Scientific

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Quick answer

What does “chelicera” mean?

A specialized appendage near the mouth of arachnids and other chelicerates, used for grasping and piercing.

Audio

Pronunciation

Definition

Meaning and Definition

A specialized appendage near the mouth of arachnids and other chelicerates, used for grasping and piercing.

In zoology, specifically the first pair of preoral appendages in arachnids (spiders, scorpions, mites) and other chelicerate arthropods, which are often modified as fangs or pincers.

Dialectal Variation

British vs American Usage

Differences

No significant differences in spelling or usage. Both variants use the same term identically.

Connotations

Neutral, purely technical.

Frequency

Extremely low frequency in general discourse. Used almost exclusively within entomology, arachnology, and zoology texts.

Grammar

How to Use “chelicera” in a Sentence

the chelicera of [arachnid][arachnid]'s chelicerachelicera tipped with [substance/feature]

Vocabulary

Collocations

strong
paired cheliceraevenomous chelicerafang-like cheliceramodified cheliceraspider chelicera
medium
structure of the chelicerachelicera of a scorpionbasal segment of the chelicera
weak
large chelicerasmall cheliceraexamined the chelicera

Usage

Meaning in Context

Business

Not used.

Academic

Exclusively in biological sciences, specifically in zoology, entomology, and arachnology.

Everyday

Virtually never used.

Technical

Primary context. Used to precisely describe the anatomy of spiders, scorpions, mites, ticks, and horseshoe crabs.

Vocabulary

Synonyms of “chelicera”

Neutral

fangpincer

Watch out

Common Mistakes When Using “chelicera”

  • Incorrect pluralization (e.g., 'cheliceras'). The correct plural is 'chelicerae'.
  • Mispronunciation stressing the first syllable.
  • Using it outside a biological context.

FAQ

Frequently Asked Questions

No. 'Chelicera' is specific to the subphylum Chelicerata, which includes arachnids (spiders, scorpions), horseshoe crabs, and sea spiders. Insects belong to a different subphylum (Hexapoda) and have different mouthparts like mandibles.

Chelicerae are the first pair of appendages, used for feeding (e.g., as fangs). Pedipalps are the second pair, used for sensing, handling food, and in male spiders, for sperm transfer.

In British English: /kɪˈlɪs(ə)riː/. In American English: /kəˈlɪsəriː/. The stress is on the second syllable.

Extremely rarely. Its use is almost entirely confined to technical zoological writing, academic papers, and specialist nature documentaries.

A specialized appendage near the mouth of arachnids and other chelicerates, used for grasping and piercing.

Chelicera is usually technical/scientific in register.

Learning

Memory Aids

Mnemonic

Imagine a 'CHILLy SERpent' (chelicera) with fangs. Spiders have 'chilly' (cheli-) 'serrated' (-cera) fangs.

Conceptual Metaphor

N/A (Too technical for common conceptual metaphors).

Practice

Quiz

Fill in the gap
Spiders use their to inject venom into their prey.
Multiple Choice

What is a 'chelicera'?