chelicera.

One of a pair of front mouth appendages in spiders and related arthropods, often bearing fangs.

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Words that belong together

• spider chelicera

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A chelicera gripped the prey.

The paired chelicerae moved independently.

Usage notes

Primary category: horror. Forms: Singular chelicera; plural chelicerae. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.