tappit hen noun2 •(Scotland) A hen with a tuft of feathers on her head.Blyth , blyth , blyth was she, Blyth was she but and ben; And well the loo'd a Hawick gill, And leugh to see a tappit hen — 1740 •(rare) A bottle of wine in the port wine trade containing 2.25 liters of fluid, three times the volume of a standard bottle. formstappit hens