How to use in-sentence of “frill”:
+ The Frill-necked lizard has a large reptile, thin frill around its head, which it displays in order to frighten enemies.
+ Males may have had larger frills than females, indicating that the frill may have been used in courtship and mating.
+ Holes made by teeth have been found on the bony frill behind the horns, and on the sacrum.
+ The frill served mainly to protect the vulnerable neck from bipedal predationpredators like Tyrannosaurus, who attacked from above.
+ When the lizard is at rest, the frill folds down on its shoulders.
