coltsfoot noun3 •An herbaceous plant, species Tussilago farfara, that grows in Europe and the Middle East; yellow coltsfoot.The russet cliffs are wetted by a beck, and where the water runs, yellow coltsfoot grows. — 2016 •Various flowering plants in the genus Petasites native to Europe or Asia. •Homogyne alpina (alpine coltsfoot or purple colt's-foot). formscoltsfeet · coltsfoots