|1.||a slit in a garment, etc, through which a button is passed to fasten two surfaces together|
|2.||US name: boutonniere a flower or small bunch of flowers worn pinned to the lapel or in the buttonhole, esp at weddings, formal dances, etc|
|3.||to detain (a person) in conversation|
|4.||to make buttonholes in|
|5.||to sew with buttonhole stitch|
buttonhole but·ton·hole (bŭt'n-hōl')
A short straight surgical cut made through the wall of a cavity or canal.
The contraction of an orifice down to a narrow slit, as in mitral stenosis.