Assertion: horned lizard's horn | /r/HasProperty | robust
Facets:
Source sentences:
text: The horns are broad and robust, and their dorsal orientation and relatively posterior position makes them well suited to protecting the vulnerable eyes and neck.
text: Greater Short-horned Lizard (Phrynosoma hernandesi) Horns: robust head that is wider than long and heart-shaped, back of the head is tipped only with small horns