boutonniere

(redirected from boutonierre)
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bou·ton·nière

(bū-ton-yēr'),
A traumatically produced slit or buttonholelike opening.
[Fr. buttonhole]

boutonnière

(boo-tŏn-yār′) [Fr., buttonhole]
A surgically produced or spontaneously occurring buttonhole-like opening in a structure, such as a membrane or tendon.