0 a large feather, especially the feather of a goose, made into a pen. -- bulu pelepah
1 one of the sharp spines of certain animals (eg the porcupine). -- duri
Quillback rockfish are named for the sharp, venomous quills or spines on the dorsal fin.
The quality of the porcupine quills used is also a detail to look for.
Quills are fragile, easily broken, and will spatter unless used properly.
Featherbone was manufactured from the quills of feathers.
Appliqud quills are stitched into hide in a manner that covers the stitches.
Granite got tricked and a face full of quills.
She can fire projectile quills from her nose that have deadly penetrating power.
However, there are other possible answers (e.g. "both have inky quills").