Noun rockcress has 2 senses
  1. yellow rocket, rockcress, rocket cress, Barbarea vulgaris, Sisymbrium barbarea - noxious cress with yellow flowers; sometimes placed in genus Sisymbrium
    --1 is a kind of weed
    --1 is a part of Barbarea, genus Barbarea
  2. rock cress, rockcress - any of several rock-loving cresses of the genus Arabis
    --2 is a kind of cress, cress plant
    --2 is a member of Arabis, genus Arabis
    --2 has particulars:
     sicklepod, Arabis Canadensis; tower cress, tower mustard, Arabis turrita
,
TOP