cre·pis \ˈkrēpə̇s\noun Etymology: New Latin, from Latin, a plant, from Greek krēpis, literally, boot 1.capitalized: a genus of herbs (family Compositae) with alternate or basal chiefly pinnatifid leaves and heads of yellow or orange colored flowers — see hawk's-beard 2.crepisplural: a plant of the genus Crepis