Definitions
There is 1 meaning of the phrase
Primary Quill.
Primary Quill - as a noun
One of the main flight feathers projecting along the outer edge of a bird's wing
Synonyms (Exact Relations)
primaryprimary featherExample Sentences
"The primary quill of a bird is the longest flight feather."
"The primary quills are located at the tip of each wing."
"The bird preened its primary quills to keep them in good condition."
"Feathers from the primary quill are often used in fly tying for fishing lures."
"The primary quill is responsible for generating lift during flight."