To sow with the stitch used in making buttonholes: used in sewing, lacework, and embroidery.
To seize by the buttonhole or button and detain in conversation; interview.
To make buttonholes in.
noun.
In surgery, any small straight incision into a cavity or canal. See boutonnière, 2.
noun.
A buttonhole bouquet.
noun.
The hole or loop in which a button is caught.
noun.
A name given to the hart's-tongue fern, Scolopendrium vulgare, because its fructification in the young state resembles a buttonhole in form and appearance.