Assertion: horseshoe crab's pair | /r/HasProperty | chelicera
Facets:
Source sentences:
text: The first pair, the chelicerae, are relatively small and placed in front of the mouth.
text: Underneath, the cephalothorax bears six pairs of legs: the first pair, called chelicerae, are used exclusively to seize worms, thin-shelled mollusks, crabs, and other prey.
text: The first pair, the chelicerae, are used to place food into their mouth.
text: Starting from the front of the crab, the first pair of appendages is called the chelicerae.