but·ton·hole
ˈbə-tᵊn-ˌhōl
1
: a slit or loop through which a button is passed
2
chiefly British
: boutonniere
buttonholed; buttonholing; buttonholes
buttonholed; buttonholing; buttonholes
: to detain in conversation by or as if by holding on to the outer garments of
but·ton·hol·er
ˈbə-tᵊn-ˌhō-lər
1
: one that makes buttonholes by hand or machine
2
: a sewing-machine attachment for making buttonholes
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Merriam-Webster unabridged



