buttonholes is a form of:

Buttonhole



noun
1.
(a slit thiough which a button is passed, Ito fasten clothing, a flower or spray worn pinned sto the lapel or in the buttonhole) រន្ធឡេវ
ENGLISH MEANING
noun
1.
The hole or loop in which a button is caught.
verb
1.
(TRANSITIVE) To hold at the button or buttonhole; to detain in conversation to weariness; to bore; as, he buttonholed me a quarter of an hour.