any of several plants of the related genus Cakile, esp C. maritima, which grow along the seashores of Europe and North America and have mauve, pink, or white flowers
See full dictionary entry for rocket
sea rocket in British English
(siː ˈrɒkɪt)
noun
any of several plants of the related genus Cakile, esp C. maritima, which grow along the seashores of Europe and North America and have mauve, pink,or white flowers