We found 4 dictionaries that define the word quill feathers:

General (2 matching dictionaries)

1. quill feathers: Vocabulary.com
2. quill feathers: TheFreeDictionary.com

Computing (1 matching dictionary)

3. quill feathers: Encyclopedia

Medicine (1 matching dictionary)

4. quill feathers: Medical dictionary

(Note: See quill_feather as well.)

Definitions from Wiktionary (quill feather) ▸ noun:  Any of the larger wing or tail feathers of a bird; sometimes termed a flight feather. ▸ Also see quill_feather ▸ Words similar to quill feathers ▸ Usage examples for quill feathers ▸ Idioms related to quill feathers ▸ Wikipedia articles (New!) ▸ Words that often appear near quill feathers ▸ Rhymes of quill feathers ▸ Invented words related to quill feathers