redshank noun4 •Any of two species of Old World wading bird in the genus Tringa that have long red legs.Saltings ringing with the redshank's cry. — 1967 •Lady's thumb or redleg (Persicaria maculosa), an herb in the buckwheat family. •Any member of the species Ceratodon purpureus of moss. •(offensive, no longer used) A bare-legged person; one of the Scottish Highlanders, who wore kilts. formsredshanks