Definitions of rockcress
  1. noun
    any of several rock-loving cresses of the genus Arabis
    synonyms: rock cress
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    Arabis Canadensis, sicklepod
    North American rock cress having very long curved pods
    Arabis turrita, tower cress, tower mustard
    European cress having stiff erect stems; sometimes placed in genus Turritis
    type of:
    cress, cress plant
    any of various plants of the family Cruciferae with edible leaves that have a pungent taste
  2. noun
    noxious cress with yellow flowers; sometimes placed in genus Sisymbrium
    synonyms: Barbarea vulgaris, Sisymbrium barbarea, rocket cress, yellow rocket
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    type of:
    any plant that crowds out cultivated plants
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