In drawing and calligraphy, a pen made from a goose's feather. The sharply spikey defenses of porcupines are also called quills, and they have been used by many peoples in several ways.A related link: The articles on pens, inks, and other liquid media in Drawing Materials and Drawing Techniques, a Guide and Glossary by Michael Miller. Also see acrylic paints, autographic ink, bistre, body color, gouache, heighten, horn, India ink, ink, iron-gall ink, metal nib pen, oil paint, pen, reed pen, sepia ink, wash, watercolor, and zinc white.