some times
NO!
No one knows if any dinosaurs have a frill, but you are probably thinking of Dilophosaurus.
a frill
you scratch it.
no
yes
the frill around its neck
to fight back
Fish fingers and chips
to ward of predators
it can be 1c or 2c and it's in Australian coin
A jabot is worn at the neck. It is a lacy frill on the front of a shirt or blouse.