A quill of the crow, or a very fine pen made from such a quill.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "crow-quill" in a sentence
"The natives, too, profit by the occasion, and actively collect them for food, they being about half an inch long, as thick as a crow-quill, and very fat."
"I here found an insect which preys on ants; it is about an inch and a quarter long, as thick as a crow-quill, and covered with black hair."
"The bower our host boasted of was perched on a small limb and hardly big enough to hold a desk, but there was a stool there, several crow-quill pens, paper, and a pot of ink."