The buttonhole model is intended to show how much skill has been acquired.
He pulled it out of his buttonhole and tossed it into the fire-place.
The bar of the watch-guard worked through the buttonhole, and the watch—Platte's watch—slid quietly on to the carpet.
Arthur had a fine rose in his buttonhole and looked profoundly thoughtful.
But only think of dancing with lunatics—and such ugly ones too—and being held by the buttonhole by some wild-eyed ancient mariner.
In his mouth was a cigarette, and in his buttonhole a pink carnation.
Many workers, particularly tailors, always "stay" or "bar" around a buttonhole before working.
Let him go with his flower in his buttonhole and dance somewhere else.
Lee had stopped at a florist's and bought a rose for his buttonhole.
Once he stooped to pick a flower which he stuck in his buttonhole.
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.
To get someone's attention as if by taking hold by a buttonhole: listening to and buttonholing other researchers
[1880+; Button in the same sense is attested from the early 1860s]