dijon UK /ˈdiː(d)ʒɒn/US /diːʒ(j)ɒn/ noun2 •Dijon mustard, a prepared mustard containing white wine in place of vinegarThis is one of those dishes where you need to find a place in each bite for every flavour – intense jus, raw honey, dijon, blue cheese […]. — 2009 •A dark yellow formsDijons