flatch /flæt͡ʃ/noun 2adjective 1forms 1 noun2 •(old-fashioned) A halfpenny.I have a rorty gal, also a knowing pal, / And merrily together we jog on, / I doesn't care a flatch, as long as I've a tach, / Some pannum for my chest, and a tog on. — 1864 •(old-fashioned) A counterfeit half-crown. adjective1 •(old-fashioned) Half formsflatches
