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Definition of Buttonhole
1. Noun. A hole through which buttons are pushed.
2. Verb. Detain in conversation by or as if by holding on to the outer garments of; as for political or economic favors.
Definition of Buttonhole
1. n. The hole or loop in which a button is caught.
2. v. t. To hold at the button or buttonhole; to detain in conversation to weariness; to bore; as, he buttonholed me a quarter of an hour.
Definition of Buttonhole
1. [v -HOLED, -HOLING, -HOLES]
Medical Definition of Buttonhole
1. 1. A short straight cut made through the wall of a cavity or canal. 2. The contraction of an orifice down to a narrow slit; i.e., the so-called mitral buttonhole in extreme mitral stenosis. See: buttonhole stenosis. (05 Mar 2000)