bullfinch /ˈbʊlˌfɪnt͡ʃ/ noun4 •The Eurasian bullfinch (Pyrrhula pyrrhula). •Any of various other Old World finches in the genus Pyrrhula. •An obstacle for a horse, consisting of a solid fence with brush above it, through which the horse should jump. •(slang, no longer used) A large, thick quickset hedge.Young Hurrell turned them on the right; the officer on the polo pony and Mr. Westall, between them, dissected a "bullfinch" on the left, but the ditch and the briars took toll of the former. — 1900 formsbullfinches