Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun star-thistle

1 sense of star-thistle

Sense 1
star-thistle, caltrop, Centauria calcitrapa -- (Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America)
       => centaury -- (any plant of the genus Centaurea)