Definition of whitlow grass
:any of several inconspicuous herbs formerly thought to cure whitlow: such as
a
:an annual weed (Draba verna) of Europe and North America with a rosette of basal leaves and tiny flowers succeeded by oblong pods — called also
shadflower
b
:a small Old World saxifrage (Saxifraga tridactylites)
c
:whitlowwort
