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buttonhole

1 buttonhole /ˈbʌtn̩ˌhoʊl/ noun
plural buttonholes
1 buttonhole
/ˈbʌtn̩ˌhoʊl/
noun
plural buttonholes
Britannica Dictionary definition of BUTTONHOLE
[count]
: a hole in clothing through which a button is passed in order to fasten something
British : boutonniere
2 buttonhole /ˈbʌtn̩ˌhoʊl/ verb
buttonholes; buttonholed; buttonholing
2 buttonhole
/ˈbʌtn̩ˌhoʊl/
verb
buttonholes; buttonholed; buttonholing
Britannica Dictionary definition of BUTTONHOLE
[+ object] informal
: to force (someone who is going somewhere) to stop and talk to you