quill

Definitions

• A stiff, sharp hair or spine like the pointed end of a feather.
  A nature-crafted spear adorning creatures, bracing them with a coat of defense.
  Example: The hedgehog's back is covered with quills for protection.
• A pen made from a main wing or tail feather of a large bird by pointing and slitting the end of the shaft.
  The plumage of the sky transformed into a wand of ink, crafting worlds upon parchment.
  Example: He used a quill to write the letter.