Assertion: scorpion's structure | /r/Synonym | chelicera
Facets:
Source sentences:
text: They use sharp, protruding jaw-like structures (called chelicerae) to break up prey into manageable pieces, which they hold with their pincers (or chelae) at the end of arm-like pedipalps.
text: Scorpions use a small, clawlike structure that protrudes from their mouths called chelicerae.