some times
NO!
No one knows if any dinosaurs have a frill, but you are probably thinking of Dilophosaurus.
you scratch it.
a frill
no
the frill around its neck
yes
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.